CGPVF / Viridien Société anonyme - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Viridien Société anonyme
US ˙ OTCPK ˙ FR0013181864

Mga Batayang Estadistika
LEI 969500FCVQ5SLAAUJV59
CIK 1037962
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Viridien Société anonyme
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
October 1, 2018 15F-12B

CGG / CGG 15F-12B

15F-12B UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15F CERTIFICATION OF A FOREIGN PRIVATE ISSUER’S TERMINATION OF REGISTRATION OF A CLASS OF SECURITIES UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ITS TERMINATION OF THE DUTY TO FILE REPORTS UNDER SECTION 13(a) OR SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-14622

October 1, 2018 S-8 POS

CGG / CGG S-8 POS

S-8 POS 1 d626238ds8pos.htm S-8 POS As filed with the Securities and Exchange Commission on October 1, 2018 Registration No. 333-150384 Registration No. 333-158684 Registration No. 333-166250 Registration No. 333-173638 Registration No. 333-188120 Registration No. 333-197785 Registration No. 333-210768 Registration No. 333-212796 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20

October 1, 2018 S-8 POS

CGG / CGG S-8 POS

S-8 POS 1 d626238ds8pos.htm S-8 POS As filed with the Securities and Exchange Commission on October 1, 2018 Registration No. 333-150384 Registration No. 333-158684 Registration No. 333-166250 Registration No. 333-173638 Registration No. 333-188120 Registration No. 333-197785 Registration No. 333-210768 Registration No. 333-212796 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20

October 1, 2018 S-8 POS

CGG / CGG S-8 POS

S-8 POS As filed with the Securities and Exchange Commission on October 1, 2018 Registration No.

October 1, 2018 S-8 POS

CGG / CGG S-8 POS

S-8 POS As filed with the Securities and Exchange Commission on October 1, 2018 Registration No.

October 1, 2018 S-8 POS

CGG / CGG S-8 POS

S-8 POS As filed with the Securities and Exchange Commission on October 1, 2018 Registration No.

October 1, 2018 S-8 POS

CGG / CGG S-8 POS

S-8 POS 1 d626238ds8pos.htm S-8 POS As filed with the Securities and Exchange Commission on October 1, 2018 Registration No. 333-150384 Registration No. 333-158684 Registration No. 333-166250 Registration No. 333-173638 Registration No. 333-188120 Registration No. 333-197785 Registration No. 333-210768 Registration No. 333-212796 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20

October 1, 2018 S-8 POS

CGG / CGG S-8 POS

S-8 POS As filed with the Securities and Exchange Commission on October 1, 2018 Registration No.

October 1, 2018 S-8 POS

CGG / CGG S-8 POS

S-8 POS 1 d626238ds8pos.htm S-8 POS As filed with the Securities and Exchange Commission on October 1, 2018 Registration No. 333-150384 Registration No. 333-158684 Registration No. 333-166250 Registration No. 333-173638 Registration No. 333-188120 Registration No. 333-197785 Registration No. 333-210768 Registration No. 333-212796 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20

September 21, 2018 25

CGG / CGG 25

25 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 25 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-14622 CGG (New York Stock Exchange) (Exact name of registrant as specified in its charter, and name of Exchange where security is listed and/or registered) Tour Maine Montparnasse 33 Avenu

September 17, 2018 6-K

CGG / CGG FORM 6-K (Current Report of Foreign Issuer)

6-K 1 d625198d6k.htm FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of September 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the regist

September 11, 2018 6-K

CGG / CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of September 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will fi

September 4, 2018 6-K

CGG / CGG FORM 6-K (Current Report of Foreign Issuer)

6-K 1 d620365d6k.htm FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of September 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the regist

August 2, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 2, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of August 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual re

July 26, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d563131d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files o

June 14, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d609514d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of June 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files

June 14, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d605253d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of June 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files

June 13, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d594882d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of June 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files

June 12, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of June 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

May 23, 2018 EX-1.01

CGG Conflict Minerals Report for the reporting period January 1 to December 31, 2017

EX-1.01 Exhibit 1.01 to Form SD CGG Conflict Minerals Report for the reporting period January 1 to December 31, 2017 This Conflict Minerals Report (“CMR”) for the year ended December 31, 2017 is presented by CGG (hereinafter referred to as “CGG”, “we, “our” and “us”) to comply with Rule 13p-1 (the “Rule”) under the US Securities Exchange Act of 1934. The Securities and Exchange Commission (“SEC”)

May 23, 2018 SD

CGG / CGG FORM SD

Form SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report CGG (Exact name of registrant as specified in its charter) Republic of France 001-14622 (State or other jurisdiction of incorporation or organization) (Commission File Number) (IRS Employer Identification No.) Tour Maine Montparnasse 33, avenue du Maine 75015 Paris, France (Address

May 21, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d587788d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of May 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files

May 18, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of May 2018 CGG Tour Maine Montparnasse—33 Avenue du Maine – BP 191—75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual repor

May 17, 2018 6-K

CGG / CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 17, 2018 6-K

CGG / CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of May 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

April 30, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d579196d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of April 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant file

April 24, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of April 2018 CGG Tour Maine Montparnasse—33 Avenue du Maine – BP 191—75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual rep

April 13, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d763526d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of April 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant file

April 6, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of April 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

March 29, 2018 EX-12.1

Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes Oxley Act of 2002.

EX-12.1 Exhibit 12.1 I, Jean-Georges Malcor, Chief Executive Officer of the company, certify that: 1. I have reviewed this annual report on Form 20-F of CGG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not mi

March 29, 2018 EX-15.1

Consent of Ernst & Young et Autres.

EX-15.1 Exhibit 15.1 Consent of Independent Registered Public Accounting Firm We consent to the incorporation by reference in the following Registration Statements: (1) Registration Statement (Form S-8 No. 333-212796) pertaining to the CGG 2016 Stock Option Plan, and (2) Registration Statement (Form S-8 No. 333-210768) pertaining to the CGG 2015 Stock Option Plan, and (3) Registration Statement (F

March 29, 2018 EX-13.2

Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes Oxley Act of 2002 (10 U.S.C. § 1350).

EX-13.2 Exhibit 13.2. Written Statement of the Chief Financial Officer pursuant to 18 U.S.C. §1350 Solely for the purposes of complying with 18 U.S.C. §1350, I, the undersigned Chief Financial Officer of CGG (the “Company”), hereby certify, based on my knowledge, that the Annual Report on Form 20-F of the Company for the year ended December 31, 2017 (the “Report”) fully complies with the requireme

March 29, 2018 EX-12.2

Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes Oxley Act of 2002.

EX-12.2 Exhibit 12.2. I, Stéphane-Paul Frydman, Chief Financial Officer of the company, certify that: 1. I have reviewed this annual report on Form 20-F of CGG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not

March 29, 2018 EX-1.1

English translation of our Articles of Association (statuts).

EX-1.1 Exhibit 1.1 CGG Public Company with a Registered Capital of € 5,854,573.97 Registered Office: Tour Maine Montparnasse, 33 avenue du Maine, 75015 Paris Trade Register Paris No. 969 202 241 ARTICLES OF ASSOCIATION PART I FORM - OBJECT - NAME - HEAD OFFICE - TERM Article 1 - FORM OF THE COMPANY A Company has been formed between the holders of the shares hereinafter issued and those which may b

March 29, 2018 EX-13.1

Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes Oxley Act of 2002 (10 U.S.C. § 1350).

EX-13.1 Exhibit 13.1. Written Statement of the Chief Executive Officer pursuant to 18 U.S.C. §1350 Solely for the purposes of complying with 18 U.S.C. §1350, I, the undersigned Chief Executive Officer of CGG (the “Company”), hereby certify, based on my knowledge, that the Annual Report on Form 20-F of the Company for the year ended December 31, 2017 (the “Report”) fully complies with the requireme

March 29, 2018 20-F

CGG / CGG 20-F

20-F Table of Contents SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR (G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2017 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHA

March 29, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of March 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

March 23, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual r

March 15, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d545151d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of March 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant file

March 9, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of March 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

March 9, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of March 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

February 27, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a? 16 or 15d? 16 of the Securities Exchange Act of 1934 For the month of February 2018 CGG Tour Maine Montparnasse ? 33 Avenue du Maine ? BP 191 ? 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

February 22, 2018 EX-99.2

CGG S.A. THE GUARANTORS PARTY HERETO Second Lien Senior Secured Floating Rate Notes due 2024 Dated as of February 21, 2018 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK O

EX-99.2 Exhibit 99.2 EXECUTION VERSION CGG S.A. AND THE GUARANTORS PARTY HERETO Second Lien Senior Secured Floating Rate Notes due 2024 INDENTURE Dated as of February 21, 2018 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW YORK MELLON as U.S. Collateral Agent THE BANK OF NEW YORK MELLON, LONDON BRANCH as Internat

February 22, 2018 EX-99.3

EX-99.3

Exhibit 99.3

February 22, 2018 EX-99.1

CGG HOLDING (U.S.) INC. THE GUARANTORS PARTY HERETO First Lien Senior Secured Notes due 2023 Dated as of February 21, 2018 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK O

EX-99.1 Exhibit 99.1 EXECUTION VERSION CGG HOLDING (U.S.) INC. AND THE GUARANTORS PARTY HERETO First Lien Senior Secured Notes due 2023 INDENTURE Dated as of February 21, 2018 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW YORK MELLON as U.S. Collateral Agent THE BANK OF NEW YORK MELLON, LONDON BRANCH as Internat

February 22, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2018 Commission File Number 001-14622

6-K 1 d520421d6k.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2018 Commission File Number 001-14622 CGG (Translation of registrant’s name into English) Tour Maine Montparnasse 33, avenue du Maine 75015 Paris France (33) 1 64

February 21, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

February 12, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

February 9, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

February 9, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d509063d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant f

February 8, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

February 8, 2018 EX-99.2

JOINT FILING AGREEMENT

Exhibit 99.2 JOINT FILING AGREEMENT The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this foregoing shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for

February 8, 2018 EX-99.1

FREE TRANSLATION OF POWER OF ATTORNEY

Exhibit 1 FREE TRANSLATION OF POWER OF ATTORNEY I, the undersigned, Mr. Boubakar Dione (the “Delegator”), acting pursuant to a power of attorney granted on July 28, 2014 by Mr. Nicolas Dufourcq, chief executive officer of the company Bpifrance Participations, a French joint stock company with share capital of 15,520,406,597.81 euros, headquartered at 27-31 avenue du Général Leclerc in Maisons-Alfo

February 8, 2018 SC 13D/A

CGG / CGG / Bpifrance Participations SA - SC 13D/A Activist Investment

SC 13D/A 1 a18-55421sc13da.htm SC 13D/A SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D (Amendment No. 1) (Rule 13d-101) Under the Securities Exchange Act of 1934 CGG (Name of Issuer) Ordinary Shares (Title of Class of Securities) 12531Q204 (CUSIP Number) Sophie Paquin Bpifrance Participations S.A. 27-31, avenue du Général Leclerc 94710 Maisons-Alfort Cedex France +33 1 53 89

January 31, 2018 CORRESP

CGG / CGG CORRESP

CORRESP VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

January 26, 2018 T-3/A

CGG / CGG T-3/A

T-3/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-3/A (Amendment No. 2) FOR APPLICATIONS FOR QUALIFICATION OF INDENTURES UNDER THE TRUST INDENTURE ACT OF 1939 ALITHEIA RESOURCES INC. CGG CGG HOLDING B.V. CGG HOLDING (U.S.) INC. CGG LAND (U.S.) INC. CGG MARINE B.V. CGG SERVICES (U.S.) INC. VIKING MARITIME INC. (Names of applicants) Tour Maine Montparnasse 33, aven

January 26, 2018 EX-99.T3C

CGG S.A. THE GUARANTORS PARTY HERETO Second Lien Senior Secured Floating Rate Notes due 20241 Dated as of [ ]2 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW YORK M

EX-T3C Exhibit T3C CGG S.A. AND THE GUARANTORS PARTY HERETO Second Lien Senior Secured Floating Rate Notes due 20241 INDENTURE Dated as of [ ]2 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW YORK MELLON as U.S. Collateral Agent THE BANK OF NEW YORK MELLON, LONDON BRANCH as International Security Agent 1 Second Li

January 26, 2018 EX-99.T3B5

AMENDED AND RESTATED BYLAWS OF VIKING MARITIME INC. ARTICLE I

EX-T3B5 Exhibit T3B5 AMENDED AND RESTATED BYLAWS OF VIKING MARITIME INC. ARTICLE I OFFICES Section 1.01 Offices. VIKING MARITIME INC. (hereinafter called the ?Corporation?) may have offices at such places, both within and without the State of Delaware, as the board of directors of the Corporation (the ?Board of Directors?) from time to time shall determine or the business of the Corporation may re

January 26, 2018 EX-99.T3A5

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION CGG LAND (U.S.) INC.

EX-T3A5 Exhibit T3A5 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF CGG LAND (U.

January 26, 2018 EX-99.T3B4

AMENDED AND RESTATED BYLAWS OF CGG SERVICES (U.S.) INC. ARTICLE I

EX-T3B4 Exhibit T3B4 AMENDED AND RESTATED BYLAWS OF CGG SERVICES (U.S.) INC. ARTICLE I OFFICES Section 1.01 Offices. CGG SERVICES (U.S.) INC. (hereinafter called the ?Corporation?) may have offices at such places, both within and without the State of Delaware, as the board of directors of the Corporation (the ?Board of Directors?) from time to time shall determine or the business of the Corporatio

January 26, 2018 EX-99.T3C

CGG HOLDING (U.S.) INC. THE GUARANTORS PARTY HERETO First Lien Senior Secured Notes due 20231 Dated as of [●], 20182 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW

EX-T3C Exhibit T3C CGG HOLDING (U.S.) INC. AND THE GUARANTORS PARTY HERETO First Lien Senior Secured Notes due 20231 INDENTURE Dated as of [?], 20182 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW YORK MELLON as U.S. Collateral Agent THE BANK OF NEW YORK MELLON, LONDON BRANCH as International Security Agent 1 Fir

January 26, 2018 EX-99.T3B2

AMENDED AND RESTATED BYLAWS OF CGG HOLDING (U.S.) INC. ARTICLE I

EX-T3B2 Exhibit T3B2 AMENDED AND RESTATED BYLAWS OF CGG HOLDING (U.S.) INC. ARTICLE I OFFICES Section 1.01 Offices. CGG HOLDING (U.S.) INC. (hereinafter called the ?Corporation?) may have offices at such places, both within and without the State of Delaware, as the board of directors of the Corporation (the ?Board of Directors?) from time to time shall determine or the business of the Corporation

January 26, 2018 EX-99.T3A7

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION CGG SERVICES (U.S.) INC.

EX-T3A7 Exhibit T3A7 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF CGG SERVICES (U.

January 26, 2018 EX-99.T3A1

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION ALITHEIA RESOURCES INC.

EX-T3A1 Exhibit T3A1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF ALITHEIA RESOURCES INC.

January 26, 2018 T-3/A

CGG / CGG T-3/A

T-3/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-3/A (Amendment No. 2) FOR APPLICATIONS FOR QUALIFICATION OF INDENTURES UNDER THE TRUST INDENTURE ACT OF 1939 ALITHEIA RESOURCES INC. CGG CGG HOLDING B.V. CGG HOLDING (U.S.) INC. CGG LAND (U.S.) INC. CGG MARINE B.V. CGG SERVICES (U.S.) INC. VIKING MARITIME INC. (Names of applicants) Tour Maine Montparnasse 33, aven

January 26, 2018 EX-99.T3B1

AMENDED AND RESTATED BYLAWS OF ALITHEIA RESOURCES INC. ARTICLE I

EX-T3B1 Exhibit T3B1 AMENDED AND RESTATED BYLAWS OF ALITHEIA RESOURCES INC. ARTICLE I OFFICES Section 1.01 Offices. ALITHEIA RESOURCES INC. (hereinafter called the ?Corporation?) may have offices at such places, both within and without the State of Delaware, as the board of directors of the Corporation (the ?Board of Directors?) from time to time shall determine or the business of the Corporation

January 26, 2018 EX-99.T3A8

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION VIKING MARITIME INC.

EX-T3A8 Exhibit T3A8 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF VIKING MARITIME INC.

January 26, 2018 EX-99.T3A3

1

EX-T3A3 Exhibit T3A3 NOTE ABOUT TRANSLATION: This document is an English translation of a document prepared in Dutch.

January 26, 2018 EX-99.T3A6

1

EX-T3A6 Exhibit T3A6 NOTE ABOUT TRANSLATION: This document is an English translation of a document prepared in Dutch.

January 26, 2018 EX-99.T3A2

CGG Public Company with a Registered Capital of € 221,331.49 Registered Office : Tour Maine Montparnasse, 33 avenue du Maine, 75015 Paris Trade Register Paris No. 969 202 241 ARTICLES OF ASSOCIATION PART I FORM - OBJECT - NAME - HEAD OFFICE - TERM

EX-T3A2 Exhibit T3A2 CGG Public Company with a Registered Capital of ? 221,331.49 Registered Office : Tour Maine Montparnasse, 33 avenue du Maine, 75015 Paris Trade Register Paris No. 969 202 241 ARTICLES OF ASSOCIATION PART I FORM - OBJECT - NAME - HEAD OFFICE - TERM Article 1 - FORM OF THE COMPANY A Company has been formed between the holders of the shares hereinafter issued and those which may

January 26, 2018 EX-99.T3A4

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION CGG HOLDING (U.S.) INC.

EX-T3A4 Exhibit T3A4 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF CGG HOLDING (U.

January 26, 2018 EX-99.T3B3

AMENDED AND RESTATED BYLAWS OF CGG LAND (U.S.) INC. ARTICLE I

EX-T3B3 Exhibit T3B3 AMENDED AND RESTATED BYLAWS OF CGG LAND (U.S.) INC. ARTICLE I Offices Section 1.1 Principal Office. The principal office of the Corporation shall be at 10300 Town Park, Houston, Texas 77072, or at such other place as the Board may from time to time select. Section 1.2 Registered Office and Agent. The registered office of the Corporation required by the General Corporation Law

January 25, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d491256d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of January 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant fi

January 18, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of January 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

January 17, 2018 EX-99.2

limited liability corporation (société anonyme) with a board of directors with a share capital of €221,331 registered office: Tour Maine-Montparnasse, 33, avenue du Maine, 75015 Paris 969 202 241 RCS Paris SECOND UPDATE TO THE REGISTRATION DOCUMENT

EX-99.2 Exhibit 99.2 CGG limited liability corporation (société anonyme) with a board of directors with a share capital of €221,331 registered office: Tour Maine-Montparnasse, 33, avenue du Maine, 75015 Paris 969 202 241 RCS Paris SECOND UPDATE TO THE REGISTRATION DOCUMENT This update to the registration document (the “Update to the Registration Document”) was filed with the Autorité des marchés f

January 17, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2018 Commission File Number 001-14622

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2018 Commission File Number 001-14622 CGG (Translation of registrant’s name into English) Tour Maine Montparnasse 33, avenue du Maine 75015 Paris France (Address of principal executive

January 17, 2018 EX-99.3

EXTRACTS FROM THE FREE ENGLISH TRANSLATION OF THE SECURITIES NOTE

Exhibit 99.3 EXTRACTS FROM THE FREE ENGLISH TRANSLATION OF THE SECURITIES NOTE This document does not constitute an offer to sell or the solicitation of an offer to buy securities. There will not be any sale of these securities in any state or country in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any state or country

January 17, 2018 EX-99.1

CGG launches its share capital increase with preferential subscription rights for an amount of approximately €112.2 million through the issuance of new shares, each with one warrant attached

EX-99.1 Exhibit 99.1 CGG launches its share capital increase with preferential subscription rights for an amount of approximately €112.2 million through the issuance of new shares, each with one warrant attached • Subscription price: €1.56 per new share, each with one warrant attached • Subscription ratio: 13 ABSAs for 4 Rights • Subscription period: from January 22, 2018 to February 2, 2018 inclu

January 16, 2018 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of January 2018 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

December 21, 2017 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of December 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

December 20, 2017 CORRESP

CGG / CGG ESP

CORRESP VIA EDGAR Cecilia Blye Chief, Office of Global Security Risk Division of Corporation Finance United States Securities and Exchange Commission 100 F Street, N.

December 4, 2017 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of December 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

December 1, 2017 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d504835d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of December 2017 CGG Tour Maine Montparnasse—33 Avenue du Maine – BP 191—75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files

December 1, 2017 T-3/A

CGG / CGG T-3/A

T-3/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-3/A (Amendment No.1) FOR APPLICATIONS FOR QUALIFICATION OF INDENTURES UNDER THE TRUST INDENTURE ACT OF 1939 ALITHEIA RESOURCES INC. CGG CGG HOLDING B.V. CGG HOLDING (U.S.) INC. CGG LAND (U.S.) INC. CGG MARINE B.V. CGG SERVICES (U.S.) INC. VIKING MARITIME INC. (Names of applicants) Tour Maine Montparnasse 33, avenu

December 1, 2017 EX-99.T3C

CGG S.A. THE GUARANTORS PARTY HERETO Second Lien Senior Secured Floating Rate Notes due 20241 Dated as of [ ]2 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW YORK M

EX-T3C Exhibit T3C CGG S.A. AND THE GUARANTORS PARTY HERETO Second Lien Senior Secured Floating Rate Notes due 20241 INDENTURE Dated as of [ ]2 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW YORK MELLON as U.S. Collateral Agent THE BANK OF NEW YORK MELLON, LONDON BRANCH as International Security Agent 1 Second Li

December 1, 2017 EX-99.T3C

CGG HOLDING (U.S.) INC. THE GUARANTORS PARTY HERETO First Lien Senior Secured Notes due 20231 Dated as of [●], 20182 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW

EX-T3C Exhibit T3C CGG HOLDING (U.S.) INC. AND THE GUARANTORS PARTY HERETO First Lien Senior Secured Notes due 20231 INDENTURE Dated as of [?], 20182 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW YORK MELLON as U.S. Collateral Agent THE BANK OF NEW YORK MELLON, LONDON BRANCH as International Security Agent 1 Fir

December 1, 2017 T-3/A

CGG / CGG T-3/A

T-3/A 1 d500664dt3a.htm T-3/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-3/A (Amendment No. 1) FOR APPLICATIONS FOR QUALIFICATION OF INDENTURES UNDER THE TRUST INDENTURE ACT OF 1939 ALITHEIA RESOURCES INC. CGG CGG HOLDING B.V. CGG HOLDING (U.S.) INC. CGG LAND (U.S.) INC. CGG MARINE B.V. CGG SERVICES (U.S.) INC. VIKING MARITIME INC. (Names of applicants) Tour Mai

December 1, 2017 CORRESP

CGG / CGG CORRESP

VIA EDGAR H. Roger Schwall Assistant Director Office of Natural Resources United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-7010 United States of America December 1, 2017 CGG Applications for Qualification of Indenture on Form T-3 Filed August 30, 2017 (File Nos. 022-29048 and 022-29049) Dear Mr. Schwall I refer to the Staff’s comment letter dated September

November 30, 2017 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of November 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

November 21, 2017 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annua

November 21, 2017 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual re

November 13, 2017 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual re

November 13, 2017 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

November 13, 2017 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of November 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

November 13, 2017 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of November 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

November 7, 2017 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of November 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

November 6, 2017 6-K

CGG / CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of November 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

November 3, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual re

October 31, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

October 30, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

October 27, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

October 26, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 – 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual r

October 17, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

October 17, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

October 16, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual r

October 16, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine - BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

October 16, 2017 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2017 Commission File Number 001-14622

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2017 Commission File Number 001-14622 CGG (Translation of registrant’s name into English) Tour Maine Montparnasse 33, avenue du Maine 75015 Paris France (33) 1 64 47 45 00 (Address of prin

October 16, 2017 EX-99.2

CGG A French limited company (société anonyme) with a registered capital of 17,706,519 euros Registered office: Tour Maine Montparnasse, 33 avenue du Maine 75015 Paris 969 202 241 R.C.S. Paris (the “Company”) CONVENING NOTICE OF SHAREHOLDERS’ MEETING

EX-99.2 Exhibit 99.2 Translation for information purposes – in case of discrepancy between French version and English version, French version shall prevail CGG A French limited company (société anonyme) with a registered capital of 17,706,519 euros Registered office: Tour Maine Montparnasse, 33 avenue du Maine 75015 Paris 969 202 241 R.C.S. Paris (the “Company”) CONVENING NOTICE OF SHAREHOLDERS’ M

October 16, 2017 EX-99.7

Communication of the independent appraiser’s report prepared as part of the contemplated financial restructuring of CGG SA

Exhibit 99.7 Communication of the independent appraiser?s report prepared as part of the contemplated financial restructuring of CGG SA Paris, France ?October 13, 2017 The report prepared by Ledouble SAS, appointed as independent appraiser to give an opinion on the fairness to the shareholders of the contemplated financial restructuring of CGG as a whole, is available on the website www.cgg.com. T

October 16, 2017 EX-99.1

Shareholders Q&A for CGG’s Financial Restructuring

EX-99.1 Exhibit 99.1 Shareholders Q&A for CGG’s Financial Restructuring GLOSSARY 1. What is a rights issue? A rights issue is when a company increases its capital by issuing new shares, enabling that company to increase its equity and strengthen its financial structure. A rights issue may be undertaken in different ways: in cash, enabling the company to receive liquidities, in kind through the tra

October 16, 2017 EX-99.5

EXTRACTS FROM THE FREE ENGLISH TRANSLATION OF THE SECURITIES NOTE

Exhibit 99.5 Translation for information purposes ? French version shall prevail EXTRACTS FROM THE FREE ENGLISH TRANSLATION OF THE SECURITIES NOTE This document does not constitute an offer to sell or the solicitation of an offer to buy securities. There will not be any sale of these securities in any state or country in which such offer, solicitation or sale would be unlawful prior to registratio

October 16, 2017 EX-99.4

limited liability corporation (société anonyme) with a board of directors with a share capital of €17,706,519 registered office: Tour Maine-Montparnasse, 33, avenue du Maine, 75015 Paris 969 202 241 RCS Paris UPDATE TO THE REGISTRATION DOCUMENT

EX-99.4 Exhibit 99.4 CGG limited liability corporation (société anonyme) with a board of directors with a share capital of €17,706,519 registered office: Tour Maine-Montparnasse, 33, avenue du Maine, 75015 Paris 969 202 241 RCS Paris UPDATE TO THE REGISTRATION DOCUMENT This update to the registration document (the “Update to the Registration Document”) was filed with the Autorité des Marchés Finan

October 16, 2017 EX-99.6

Intentionally left blank. CGG – Independent Expert Appraisal 11

Exhibit 99.6 Translation for information purposes only CGG Tour Maine Montparnasse 33, avenue du Maine 75015 Paris FINANCIAL RESTRUCTURING INDEPENDENT APPRAISAL REPORT Translation for information purposes only Contents 1. INTRODUCTION 6 1.1. REGULATORY FRAMEWORK GOVERNING LEDOUBLE?S APPOINTMENT 6 1.2. STATEMENT OF INDEPENDENCE AND EXPERTISE 7 1.3. TASKS PERFORMED 7 1.4. STATEMENTS OBTAINED AND LIM

October 16, 2017 EX-99.3

CGG A French limited company (société anonyme) with a registered capital of 17,706,519 euros Registered office: Tour Maine Montparnasse, 33 Avenue du Maine, 75015 Paris 969 202 241 R.C.S. Paris (the “Company”) REPORT OF THE BOARD OF DIRECTORS TO THE

EX-99.3 4 d384577dex993.htm EX-99.3 Exhibit 99.3 Translation for information purposes – in case of discrepancy between French version and English version, French version shall prevail CGG A French limited company (société anonyme) with a registered capital of 17,706,519 euros Registered office: Tour Maine Montparnasse, 33 Avenue du Maine, 75015 Paris 969 202 241 R.C.S. Paris (the “Company”) REPORT

October 10, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2017 CGG Tour Maine Montparnasse—33 Avenue du Maine – BP 191—75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual repor

October 2, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine - BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual r

September 28, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of September 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

September 26, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of September 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

September 25, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d461544d6k.htm 6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of September 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant

August 31, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of August 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annua

August 30, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2017 Commission File Number 001-14622 CGG (Translation of registrant?s name into English) Tour Maine Montparnasse 33, avenue du Maine 75015 Paris France (33) 1 64 47 45 00 (Address of p

August 30, 2017 EX-99.1

DISCLOSURE STATEMENT FOR JOINT CHAPTER 11 PLAN OF REORGANIZATION OF CGG HOLDING (U.S.) INC. AND CERTAIN AFFILIATES

EX-99.1 Exhibit 99.1 THIS IS A SOLICITATION OF VOTES TO ACCEPT OR REJECT THE PLAN IN ACCORDANCE WITH BANKRUPTCY CODE SECTION 1125 AND WITHIN THE MEANING OF BANKRUPTCY CODE SECTION 1126. THIS DISCLOSURE STATEMENT HAS NOT BEEN APPROVED BY THE COURT. THIS DISCLOSURE STATEMENT WILL BE SUBMITTED TO THE COURT FOR APPROVAL. THE INFORMATION IN THIS DISCLOSURE STATEMENT IS SUBJECT TO CHANGE. UNITED STATES

August 30, 2017 EX-25.1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE

Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ? CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) THE BANK OF NEW YORK MELLON (Exact name of trustee as specified in its charter) New York 13-5160382 (Ju

August 30, 2017 EX-25.1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE

EX-25.1 Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) THE BANK OF NEW YORK MELLON (Exact name of trustee as specified in its charter) New York 13-516

August 30, 2017 EX-99.T3C

CGG HOLDING (U.S.) INC. THE GUARANTORS PARTY HERETO First Lien Senior Secured Notes due 20231 Dated as of [●], 20182 THE BANK OF NEW YORK MELLON, LONDON BRANCH THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW YORK MELLON

EX-T3C Exhibit T3C [AGREED FORM] CGG HOLDING (U.S.) INC. AND THE GUARANTORS PARTY HERETO First Lien Senior Secured Notes due 20231 INDENTURE Dated as of [●], 20182 THE BANK OF NEW YORK MELLON, LONDON BRANCH Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW YORK MELLON as U.S. Collateral Agent THE BANK OF NEW YORK MELLON, LONDON BRANCH as International Security

August 30, 2017 T-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-3 FOR APPLICATIONS FOR QUALIFICATION OF INDENTURES UNDER THE TRUST INDENTURE ACT OF 1939 ALITHEIA RESOURCES INC. CGG HOLDING B.V. CGG HOLDING (U.S.) INC. CGG LAND (U.S.) I

T-3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-3 FOR APPLICATIONS FOR QUALIFICATION OF INDENTURES UNDER THE TRUST INDENTURE ACT OF 1939 ALITHEIA RESOURCES INC. CGG CGG HOLDING B.V. CGG HOLDING (U.S.) INC. CGG LAND (U.S.) INC. CGG MARINE B.V. CGG SERVICES (U.S.) INC. VIKING MARITIME INC. (Names of applicants) Tour Maine Montparnasse 33, avenue du Maine 75015 Pari

August 30, 2017 EX-99.T3C

CGG S.A. THE GUARANTORS PARTY HERETO Second Lien Senior Secured Floating Rate Notes due 202[_]1 Dated as of [______]2 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW

EX-T3C Exhibit T3C [AGREED FORM] CGG S.A. AND THE GUARANTORS PARTY HERETO Second Lien Senior Secured Floating Rate Notes due 202[]1 INDENTURE Dated as of []2 THE BANK OF NEW YORK MELLON, LONDON BRANCH as Trustee THE BANK OF NEW YORK MELLON, LONDON BRANCH as Collateral Agent THE BANK OF NEW YORK MELLON as U.S. Collateral Agent THE BANK OF NEW YORK MELLON, LONDON BRANCH as International Security Age

August 30, 2017 T-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-3 FOR APPLICATIONS FOR QUALIFICATION OF INDENTURES UNDER THE TRUST INDENTURE ACT OF 1939 ALITHEIA RESOURCES INC. CGG HOLDING B.V. CGG HOLDING (U.S.) INC. CGG LAND (U.S.) I

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-3 FOR APPLICATIONS FOR QUALIFICATION OF INDENTURES UNDER THE TRUST INDENTURE ACT OF 1939 ALITHEIA RESOURCES INC. CGG CGG HOLDING B.V. CGG HOLDING (U.S.) INC. CGG LAND (U.S.) INC. CGG MARINE B.V. CGG SERVICES (U.S.) INC. VIKING MARITIME INC. (Names of applicants) Tour Maine Montparnasse 33, avenue du Ma

August 29, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of August 2017 CGG Tour Maine Montparnasse ? 33 Avenue du Maine ? BP 191 ? 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annua

August 7, 2017 EX-99.1

DRAFT SAFEGUARD PLAN OF (articles L.626-1 et seq. of the French Code de commerce) Prepared by CGG S.A. with the assistance of the SELARL FHB, acting through Maître Hélène Bourbouloux, judicial administrator

EX99.1 Execution version Translation for information purposes only French version prevails Exhibit 99.1 - Safeguard proceedings: CGG Commercial Court of Paris Opening ruling: 14 June 2017 N? P.C.: P201701575 Supervising Judge: M. Jean-Pierre B?gon-Lours Judicial Administrator: SELARL FHB, acting through Ma?tre H?l?ne Bourbouloux Creditors? Representative: SELAFA MJA, acting through Ma?tre Lucile J

August 7, 2017 EX-99.2

Forward-looking statements This presentation contains forward-looking statements, including, without limitation, statements about CGG (“the Company”) plans, strategies and prospects. These forward-looking statements are subject to risks and uncertain

EX-99.2 Exhibit 99.2 Presentation of the French Safeguard Plan Bondholders? general meeting ? July 28, 2017 All results are presented before Non-Recurring Charges & write-off, unless stated otherwise Forward-looking statements This presentation contains forward-looking statements, including, without limitation, statements about CGG (?the Company?) plans, strategies and prospects. These forward-loo

August 7, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of August 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annua

July 28, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of July 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

July 28, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of July 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

July 28, 2017 6-K

CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 26, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of July 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

July 19, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July 2017 CGG Tour Maine Montparnasse ? 33 Avenue du Maine ? BP 191 ? 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual re

July 13, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of July 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual repo

June 27, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of June 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

June 20, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d414934d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of June 2017 CGG Tour Maine Montparnasse—33 Avenue du Maine – BP 191—75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or

June 15, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of June 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

June 14, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of June 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual repo

June 13, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of June 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual repo

June 8, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual re

June 2, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual re

May 31, 2017 EX-1.01

CGG Conflict Minerals Report for the reporting period January 1 to December 31, 2016

EX-1.01 Exhibit 1.01 to Form SD CGG Conflict Minerals Report for the reporting period January 1 to December 31, 2016 This Conflict Minerals Report (?CMR?) for the year ended December 31, 2016 is presented by CGG (hereinafter referred to as ?CGG?, ?we, ?our? and ?us?) to comply with Rule 13p-1 (the ?Rule?) under the US Securities Exchange Act of 1934. The Securities and Exchange Commission (?SEC?)

May 31, 2017 SD

CGG FORM SD

Form SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report CGG (Exact name of registrant as specified in its charter) Republic of France 001-14622 (State or other jurisdiction of incorporation or organization) (Commission File Number) (IRS Employer Identification No.) Tour Maine Montparnasse 33, avenue du Maine 75015 Paris, France (Address

May 30, 2017 EX-99.2

JOINT FILING AGREEMENT

EXHIBIT 99.2 JOINT FILING AGREEMENT The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this foregoing shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for

May 30, 2017 EX-99.1

SHAREHOLDERS AGREEMENT CGG VERITAS FONDS STRATEGIQUE D’INVESTISSEMENT IFP Energies Nouvelles March 8, 2012

EX-99.1 2 a17-140221ex99d1.htm EX-99.1 EXHIBIT 99.1 SHAREHOLDERS AGREEMENT CGG VERITAS Among FONDS STRATEGIQUE D’INVESTISSEMENT And IFP Energies Nouvelles March 8, 2012 SHAREHOLDERS AGREEMENT AMONG: (1) Fonds Stratégique d’Investissement, a société anonyme organised under the laws of France, whose registered office is located at 56, rue de Lille, 75007 Paris, registered with the Registre du Commer

May 30, 2017 SC 13D

CGG / CGG / Bpifrance Participations SA - SC 13D Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D (Rule 13d-101) Under the Securities Exchange Act of 1934 CGG (Name of Issuer) Ordinary Shares (Title of Class of Securities) 12531Q204 (CUSIP Number) Sophie Paquin Bpifrance Participations S.

May 23, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual rep

May 12, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual rep

May 12, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 12, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports

May 1, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of May 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual r

May 1, 2017 EX-15.1

Consent of Independent Registered Public Accounting Firm

EX-15.1 16 d295758dex151.htm EX-15.1 Exhibit 15.1 Consent of Independent Registered Public Accounting Firm We consent to the incorporation by reference in the following Registration Statements: (1) Registration Statement (Form S-8 No. 333-212796) pertaining to the CGG 2016 Stock Option Plan, and (2) Registration Statement (Form S-8 No. 333-210768) pertaining to the CGG 2015 Stock Option Plan, and

May 1, 2017 20-F

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

20-F Table of Contents SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR (G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2016 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHA

May 1, 2017 EX-2.4

CGG S.A. the Guarantors named herein 6 1⁄2% SENIOR NOTES DUE 2021 THIRD SUPPLEMENTAL INDENTURE DATED AS OF FEBRUARY 22, 2017 THE BANK OF NEW YORK MELLON

CGG S.A. and the Guarantors named herein 6 1?2% SENIOR NOTES DUE 2021 THIRD SUPPLEMENTAL INDENTURE DATED AS OF FEBRUARY 22, 2017 THE BANK OF NEW YORK MELLON Trustee This THIRD SUPPLEMENTAL INDENTURE, dated as of February 22, 2017, is among CGG S.A., a soci?t? anonyme incorporated in France and registered at the Paris commercial register under number 969 202 241 (the ?Company?), each of the parties

May 1, 2017 EX-13.1

Written Statement of the Chief Executive Officer pursuant to 18 U.S.C. ?1350

EX-13.1 Exhibit 13.1. Written Statement of the Chief Executive Officer pursuant to 18 U.S.C. §1350 Solely for the purposes of complying with 18 U.S.C. §1350, I, the undersigned Chief Executive Officer of CGG (the “Company”), hereby certify, based on my knowledge, that the Annual Report on Form 20-F of the Company for the year ended December 31, 2016 (the “Report”) fully complies with the requireme

May 1, 2017 EX-2.8

CGG S.A. the Guarantors named herein 5.875% SENIOR NOTES DUE 2020 THIRD SUPPLEMENTAL INDENTURE DATED AS OF FEBRUARY 22, 2017 THE BANK OF NEW YORK MELLON

CGG S.A. and the Guarantors named herein 5.875% SENIOR NOTES DUE 2020 THIRD SUPPLEMENTAL INDENTURE DATED AS OF FEBRUARY 22, 2017 THE BANK OF NEW YORK MELLON Trustee This THIRD SUPPLEMENTAL INDENTURE, dated as of February 22, 2017, is among CGG S.A., a soci?t? anonyme incorporated in France and registered at the Paris commercial register under number 969 202 241 (the ?Company?), each of the parties

May 1, 2017 EX-13.2

Written Statement of the Chief Financial Officer pursuant to 18 U.S.C. ?1350

EX-13.2 Exhibit 13.2. Written Statement of the Chief Financial Officer pursuant to 18 U.S.C. §1350 Solely for the purposes of complying with 18 U.S.C. §1350, I, the undersigned Chief Financial Officer of CGG (the “Company”), hereby certify, based on my knowledge, that the Annual Report on Form 20-F of the Company for the year ended December 31, 2016 (the “Report”) fully complies with the requireme

May 1, 2017 EX-1.1

CGG Public Company with a Registered Capital of € 17,706,519 Registered Office : Tour Maine Montparnasse, 33 avenue du Maine, 75015 Paris Trade Register Paris No. 969 202 241 ARTICLES OF ASSOCIATION PART I FORM - OBJECT - NAME - HEAD OFFICE - TERM

Exhibit 1.1 CGG Public Company with a Registered Capital of ? 17,706,519 Registered Office : Tour Maine Montparnasse, 33 avenue du Maine, 75015 Paris Trade Register Paris No. 969 202 241 ARTICLES OF ASSOCIATION PART I FORM - OBJECT - NAME - HEAD OFFICE - TERM Article 1 - FORM OF THE COMPANY A Company has been formed between the holders of the shares hereinafter issued and those which may be issued

May 1, 2017 EX-2.5

CCG S.A. GUARANTORS PARTY HERETO 5.875% Senior Notes due 2020 Dated as of April 23, 2014 THE BANK OF NEW YORK MELLON TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE 1 SECTION 1.01. DEFINITIONS. 1 SECTION 1.02. OTHER DEFINI

Execution Copy CCG S.A. AND GUARANTORS PARTY HERETO 5.875% Senior Notes due 2020 INDENTURE Dated as of April 23, 2014 THE BANK OF NEW YORK MELLON Trustee TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE 1 SECTION 1.01. DEFINITIONS. 1 SECTION 1.02. OTHER DEFINITIONS. 20 SECTION 1.03. [INTENTIONALLY OMITTED] 21 SECTION 1.04. RULES OF CONSTRUCTION. 21 ARTICLE 2 THE NOTES 22

May 1, 2017 EX-2.6

Dated June 24, 2014 CGG AND THE GUARANTORS NAMED HEREIN 5.875% SENIOR NOTES DUE 2020 SUPPLEMENTAL INDENTURE THE BANK OF NEW YORK MELLON Ref: L-223941 Linklaters LLP

EX-2.6 5 d295758dex26.htm EX-2.6 EXECUTION VERSION Dated June 24, 2014 CGG AND THE GUARANTORS NAMED HEREIN 5.875% SENIOR NOTES DUE 2020 SUPPLEMENTAL INDENTURE THE BANK OF NEW YORK MELLON TRUSTEE Ref: L-223941 Linklaters LLP This SUPPLEMENTAL INDENTURE, dated as of June 24, 2014, is among CGG S.A., a société anonyme incorporated in France and registered at the Paris commercial register under number

May 1, 2017 EX-2.12

CGG S.A. the Guarantors named herein 6.875% SENIOR NOTES DUE 2022 THIRD SUPPLEMENTAL INDENTURE DATED AS OF FEBRUARY 22, 2017 THE BANK OF NEW YORK MELLON

CGG S.A. and the Guarantors named herein 6.875% SENIOR NOTES DUE 2022 THIRD SUPPLEMENTAL INDENTURE DATED AS OF FEBRUARY 22, 2017 THE BANK OF NEW YORK MELLON Trustee This THIRD SUPPLEMENTAL INDENTURE, dated as of February 22, 2017, is among CGG S.A., a soci?t? anonyme incorporated in France and registered at the Paris commercial register under number 969 202 241 (the ?Company?), each of the parties

May 1, 2017 EX-12.1

I, Jean-Georges Malcor, Chief Executive Officer of the company, certify that:

EX-12.1 Exhibit 12.1 I, Jean-Georges Malcor, Chief Executive Officer of the company, certify that: 1. I have reviewed this annual report on Form 20-F of CGG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not mi

May 1, 2017 EX-12.2

I, St?phane-Paul Frydman, Chief Financial Officer of the company, certify that:

Exhibit 12.2. I, St?phane-Paul Frydman, Chief Financial Officer of the company, certify that: 1. I have reviewed this annual report on Form 20-F of CGG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not mislead

May 1, 2017 EX-2.11

Dated January 7, 2016 CGG AND THE GUARANTORS NAMED HEREIN 6.875% SENIOR NOTES DUE 2022 SUPPLEMENTAL INDENTURE THE BANK OF NEW YORK MELLON Ref: L-237418 Linklaters LLP

EX-2.11 9 d295758dex211.htm EX-2.11 EXECUTION VERSION Dated January 7, 2016 CGG AND THE GUARANTORS NAMED HEREIN 6.875% SENIOR NOTES DUE 2022 SUPPLEMENTAL INDENTURE THE BANK OF NEW YORK MELLON TRUSTEE Ref: L-237418 Linklaters LLP This SUPPLEMENTAL INDENTURE, dated as of January 7, 2016, is among CGG S.A., a société anonyme incorporated in France and registered at the Paris commercial register under

May 1, 2017 EX-2.10

Dated June 24, 2014 CGG AND THE GUARANTORS NAMED HEREIN 6.875% SENIOR NOTES DUE 2022 SUPPLEMENTAL INDENTURE THE BANK OF NEW YORK MELLON Ref: L-223941 Linklaters LLP

EX-2.10 8 d295758dex210.htm EX-2.10 EXECUTION VERSION Dated June 24, 2014 CGG AND THE GUARANTORS NAMED HEREIN 6.875% SENIOR NOTES DUE 2022 SUPPLEMENTAL INDENTURE THE BANK OF NEW YORK MELLON TRUSTEE Ref: L-223941 Linklaters LLP This SUPPLEMENTAL INDENTURE, dated as of June 24, 2014, is among CGG S.A., a société anonyme incorporated in France and registered at the Paris commercial register under num

May 1, 2017 EX-2.7

Dated January 7, 2016 CGG AND THE GUARANTORS NAMED HEREIN 5.875% SENIOR NOTES DUE 2020 SUPPLEMENTAL INDENTURE THE BANK OF NEW YORK MELLON Ref: L-237418 Linklaters LLP

EXECUTION VERSION Dated January 7, 2016 CGG AND THE GUARANTORS NAMED HEREIN 5.875% SENIOR NOTES DUE 2020 SUPPLEMENTAL INDENTURE THE BANK OF NEW YORK MELLON TRUSTEE Ref: L-237418 Linklaters LLP This SUPPLEMENTAL INDENTURE, dated as of January 7, 2016, is among CGG S.A., a soci?t? anonyme incorporated in France and registered at the Paris commercial register under number 969 202 241 (the ?Company?),

April 4, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of April 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

March 30, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of March 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

March 27, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of March 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual rep

March 14, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of March 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

March 3, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of March 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual rep

February 28, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February, 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file an

February 23, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

February 21, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

February 21, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

February 6, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

January 23, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of January 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

January 5, 2017 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of January 2017 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

December 14, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annua

December 6, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d248164d6k.htm 6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of December 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant f

December 1, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annua

November 8, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annua

November 8, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d285410d6k.htm 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2016 Commission File Number 001-14622 CGG (Translation of registrant’s name into English) Tour Maine Montparnasse 33, avenue du Maine 75015 Par

October 25, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

October 18, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

October 17, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

October 17, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

October 13, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

October 5, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual r

September 22, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of September 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

September 20, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of September 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file an

August 30, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of August 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annua

August 29, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

August 1, 2016 S-8

CGG S-8

S-8 As filed with the Securities and Exchange Commission on August 1, 2016 Registration No.

July 29, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d164351d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of July 2016 CGG Tour Maine Montparnasse – 33 Avenue du Maine – BP 191—75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files o

July 29, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 20, 2016 EX-1.1

CGG Public Company with a Registered Capital of ? 283,304,307 Registered Office : Tour Maine Montparnasse, 33 avenue du Maine, 75015 Paris Trade Register Paris No. 969 202 241 ARTICLES OF ASSOCIATION PART I FORM - OBJECT - NAME - HEAD OFFICE - TERM

EX-1.1 Exhibit 1.1 CGG Public Company with a Registered Capital of ? 283,304,307 Registered Office : Tour Maine Montparnasse, 33 avenue du Maine, 75015 Paris Trade Register Paris No. 969 202 241 ARTICLES OF ASSOCIATION PART I FORM - OBJECT - NAME - HEAD OFFICE - TERM Article 1 - FORM OF THE COMPANY A Company has been formed between the holders of the shares hereinafter issued and those which may b

July 20, 2016 8-A12B/A

CGG 8-A12B/A

8-A12B/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A/A Amendment No.1 FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 CGG (Exact name of registrant as specified in its charter) Republic of France 74-1734402 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Id

June 3, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual re

June 1, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual re

May 31, 2016 EX-1.01

CGG Conflict Minerals Report for the reporting period January 1 to December 31, 2015

EX-1.01 Exhibit 1.01 to Form SD CGG Conflict Minerals Report for the reporting period January 1 to December 31, 2015 This Conflict Minerals Report (?CMR?) for the year ended December 31, 2015 is presented by CGG (hereinafter referred to as ?CGG?, ?we, ?our? and ?us?) to comply with Rule 13p-1 (the ?Rule?) under the US Securities Exchange Act of 1934. The Securities and Exchange Commission (?SEC?)

May 31, 2016 SD

CGG SD

SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report CGG (Exact name of registrant as specified in its charter) Republic of France 001-14622 (State or other jurisdiction of incorporation or organization) (Commission File Number) (IRS Employer Identification No.) Tour Maine Montparnasse 33, avenue du Maine 75015 Paris, France (Address of p

May 31, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of May 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual r

May 17, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of May 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual r

May 3, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2016 Commission File Number 001-14622 CGG (Translation of registrant?s name into English) Tour Maine Montparnasse 33, avenue du Maine 75015 Paris France (33) 1 64 47 45 00 (Address of pri

May 3, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d190706d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or

April 29, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of April 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual rep

April 15, 2016 S-8

CGG S-8

As filed with the Securities and Exchange Commission on April 15, 2016 Registration No.

April 15, 2016 EX-2.3

Dated January 7, 2016 CGG AND THE GUARANTORS NAMED HEREIN 61/2% SENIOR NOTES DUE 2021 SUPPLEMENTAL INDENTURE THE BANK OF NEW YORK MELLON Ref: L-237418 Linklaters LLP

EXECUTION VERSION Exhibit 2.3 Dated January 7, 2016 CGG AND THE GUARANTORS NAMED HEREIN 61/2% SENIOR NOTES DUE 2021 SUPPLEMENTAL INDENTURE THE BANK OF NEW YORK MELLON TRUSTEE Ref: L-237418 Linklaters LLP This SUPPLEMENTAL INDENTURE, dated as of January 7, 2016, is among CGG S.A., a soci?t? anonyme incorporated in France and registered at the Paris commercial register under number 969 202 241 (the

April 15, 2016 EX-12.2

I, St?phane-Paul Frydman, Chief Financial Officer of the company, certify that:

EX-12.2 Exhibit 12.2. I, Stéphane-Paul Frydman, Chief Financial Officer of the company, certify that: 1. I have reviewed this annual report on Form 20-F of CGG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not

April 15, 2016 EX-4.8

TERM LOAN CREDIT AGREEMENT dated as of November 19, 2015, CGG HOLDING (U.S.) INC., THE LENDERS PARTY HERETO, THE SUBSIDIARY GUARANTORS PARTY HERETO, JEFFERIES FINANCE LLC, as Administrative Agent, CREDIT SUISSE AG, as Collateral Agent

EX-4.8 8 d100920dex48.htm EX-4.8 Table of Contents Exhibit 4.8. TERM LOAN CREDIT AGREEMENT dated as of November 19, 2015, among CGG HOLDING (U.S.) INC., CGG, THE LENDERS PARTY HERETO, THE SUBSIDIARY GUARANTORS PARTY HERETO, JEFFERIES FINANCE LLC, as Administrative Agent, and CREDIT SUISSE AG, as Collateral Agent [CS&M Ref. No. 7865-191] THE TERM LOANS ISSUED PURSUANT TO THIS AGREEMENT WERE ISSUED

April 15, 2016 EX-4.5

CONTENTS CLAUSE PAGE 1. INTERPRETATION 1 2. AMENDMENT AND RESTATEMENT 2 3. STATUS OF DOCUMENTS 2 4. COSTS AND EXPENSES 3 5. REPRESENTATIONS AND WARRANTIES 3 6. UNDERTAKINGS 3 7. COOPERATION IN RESPECT OF THE INTERCREDITOR AGREEMENT 3 8. EFFECTIVE GLO

EX-4.5 5 d100920dex45.htm EX-4.5 Exhibit 4.5 Conformed Copy Second Amendment and Restatement Agreement CGG S.A. as Borrower Natixis as Agent Credit Suisse AG, Cayman Islands Branch as Security Agent and Collateral Agent and The Lenders relating to the revolving facility agreement originally dated 31 July 2013. 4 February 2016 CONTENTS CLAUSE PAGE 1. INTERPRETATION 1 2. AMENDMENT AND RESTATEMENT 2

April 15, 2016 EX-4.7

[Signature pages follow.]

EXECUTION VERSION Exhibit 4.7 Amendment No. 1 dated as of February 4, 2016 (this ?Amendment No. 1?), to the Amendment and Restatement Agreement dated as of January 10, 2016 (the ?Existing Restatement Agreement?), among CGG HOLDING (U.S.) INC., a Delaware corporation (the ?Borrower?), CGG, a soci?t? anonyme incorporated under the laws of France (registration number 969 202 241 RCS Paris) (?Parent?)

April 15, 2016 EX-4.9

INCREMENTAL ASSUMPTION AGREEMENT

EXHIBIT 4.9. EXECUTION VERSION INCREMENTAL ASSUMPTION AGREEMENT This INCREMENTAL ASSUMPTION AGREEMENT (this ?Agreement?) dated as of December 4, 2015 is made by and among CGG Holding (U.S.) Inc. (?CGG US?), Jefferies Finance LLC, as administrative agent (in such capacity, the ?Administrative Agent?), and Morgan Stanley Bank International Limited, as Incremental Term Lender (in such capacity, the ?

April 15, 2016 20-F

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

20-F Table of Contents SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR (G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2015 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHA

April 15, 2016 EX-12.1

I, Jean-Georges Malcor, Chief Executive Officer of the company, certify that:

EX-12.1 Exhibit 12.1 I, Jean-Georges Malcor, Chief Executive Officer of the company, certify that: 1. I have reviewed this annual report on Form 20-F of CGG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not mi

April 15, 2016 EX-13.2

Written Statement of the Chief Financial Officer pursuant to 18 U.S.C. ?1350

EX-13.2 Exhibit 13.2. Written Statement of the Chief Financial Officer pursuant to 18 U.S.C. §1350 Solely for the purposes of complying with 18 U.S.C. §1350, I, the undersigned Chief Financial Officer of CGG (the “Company”), hereby certify, based on my knowledge, that the Annual Report on Form 20-F of the Company for the year ended December 31, 2015 (the “Report”) fully complies with the requireme

April 15, 2016 EX-15.1

Consent of Independent Registered Public Accounting Firm

EX-15.1 15 d100920dex151.htm EX-15.1 Exhibit 15.1 Consent of Independent Registered Public Accounting Firm We consent to the incorporation by reference in the following Registration Statements: (1) Registration Statement (Form S-8) pertaining to the CGG 2015 Stock Option Plan, and (2) Registration Statement (Form S-8 No. 333-197785) pertaining to the CGG 2013 Stock Option Plan and the CGG 2014 Sto

April 15, 2016 EX-2.2

Dated May 31, 2012 COMPAGNIE GENERALE DE GEOPHYSIQUE VERITAS AND THE GUARANTOR NAMED HEREIN 6 1⁄2% SENIOR NOTES DUE 2021 SUPPLEMENTAL INDENTURE THE BANK OF NEW YORK MELLON Ref: L-114897 Linklaters LLP

Exhibit 2.2 Dated May 31, 2012 COMPAGNIE GENERALE DE GEOPHYSIQUE VERITAS AND THE GUARANTOR NAMED HEREIN 6 1?2% SENIOR NOTES DUE 2021 SUPPLEMENTAL INDENTURE THE BANK OF NEW YORK MELLON TRUSTEE Ref: L-114897 Linklaters LLP This SUPPLEMENTAL INDENTURE, dated as of May 31, 2012 is among Compagnie G?n?rale de G?ophysique - Veritas, a soci?t? anonyme incorporated in France and registered at the Paris co

April 15, 2016 EX-4.6

[Signature pages follow.]

EX-4.6 6 d100920dex46.htm EX-4.6 EXECUTION VERSION Exhibit 4.6. Amendment and Restatement Agreement, dated as of January 10, 2016 (this “Amendment”), to the Credit Agreement dated as of July 15, 2013 (as amended by Amendment No. 1 dated as of July 31, 2013, Amendment No. 2 dated as of September 5, 2014, Amendment No. 3 dated as of June 26, 2015, Amendment No. 4 dated as of November 3, 2015, and as

April 15, 2016 EX-13.1

Written Statement of the Chief Executive Officer pursuant to 18 U.S.C. ?1350

EX-13.1 Exhibit 13.1. Written Statement of the Chief Executive Officer pursuant to 18 U.S.C. §1350 Solely for the purposes of complying with 18 U.S.C. §1350, I, the undersigned Chief Executive Officer of CGG (the “Company”), hereby certify, based on my knowledge, that the Annual Report on Form 20-F of the Company for the year ended December 31, 2015 (the “Report”) fully complies with the requireme

April 15, 2016 EX-1.1

CGG Public Company with a Registered Capital of € 283,304,307 Registered Office : Tour Maine Montparnasse, 33 avenue du Maine, 75015 Paris Trade Register Paris No. 969 202 241 ARTICLES OF ASSOCIATION PART I FORM - OBJECT - NAME - HEAD OFFICE - TERM

Exhibit 1.1 CGG Public Company with a Registered Capital of ? 283,304,307 Registered Office : Tour Maine Montparnasse, 33 avenue du Maine, 75015 Paris Trade Register Paris No. 969 202 241 ARTICLES OF ASSOCIATION PART I FORM - OBJECT - NAME - HEAD OFFICE - TERM Article 1 - FORM OF THE COMPANY A Company has been formed between the holders of the shares hereinafter issued and those which may be issue

March 3, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of March 2016 CGG Tour Maine Montparnasse ? 33 Avenue du Maine ? BP 191 ? 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

March 3, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K 1 d146561d6k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of Mach 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files

February 29, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual re

February 23, 2016 6-K

CGG Form 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

February 22, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

February 5, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual re

February 3, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of February 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine - BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file ann

January 13, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of January 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

January 11, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2016 CGG (Translation of registrant?s name into English) Tour Maine Montparnasse 33, avenue du Maine 75015 Paris France (33) 1 64 47 45 00 (Address of principal executive offices) Indi

January 11, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of January 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 ? 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

January 11, 2016 6-K

CGG 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of January 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annu

January 4, 2016 6-K

CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of January 2016 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file

December 21, 2015 6-K

CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

December 8, 2015 6-K

CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of December 2015 CGG Tour Maine Montparnasse ? 33 Avenue du Maine ? BP 191 ? 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will fil

December 8, 2015 6-K

CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of December 2015 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will fil

December 8, 2015 6-K

CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of December 2015 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will fil

November 19, 2015 6-K

CGG FORM 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of November 2015 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual

November 12, 2015 6-K/A

CGG 6-K/A (Current Report of Foreign Issuer)

6-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2015 Commission File Number 001-14622 CGG (Translation of registrant?s name into English) Tour Maine Montparnasse 33, avenue du Maine 75015 Paris France (33) 1 64 47 45 00 (Addre

November 5, 2015 6-K

CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

November 5, 2015 6-K

CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2015 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file

October 28, 2015 6-K

CGG FORM 6-K (Current Report of Foreign Issuer)

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a- 16 or 15d- 16 of the Securities Exchange Act of 1934 For the month of October 2015 CGG Tour Maine Montparnasse - 33 Avenue du Maine – BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file annual r

October 22, 2015 6-K

CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October 2015 CGG Tour Maine Montparnasse - 33 Avenue du Maine ? BP 191 - 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file a

October 21, 2015 6-K

CGG FORM 6-K (Current Report of Foreign Issuer)

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October 2015 CGG Tour Maine Montparnasse ? 33 Avenue du Maine ? BP 191 ? 75755 PARIS CEDEX 15 (address of principal executive offices) Indicate by check mark whether the registrant files or will file a

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