PART I
Item 1. Exchange Act Reporting History
A. CGG (the “Company”) first became subject to reporting obligations under section 13(a) or section 15(d) of the Securities Exchange Act of 1934 (the “Exchange Act”) in May 1997, following the listing of the Company’s American Depositary Shares (“ADSs”), representing its ordinary shares, on The New York Stock Exchange (“NYSE”) and registration on Form F-6 (file no. 333-006804), filed by The Bank of New Mellon (formerly The Bank of New York) (the “Depositary”), depositary of the Company’s ADR program, on April 16, 1997.
B. The Company has filed or submitted all reports required under Exchange Act section 13(a) or section 15(d) and corresponding Commission rules for the 12 months preceding the filing on this form and has filed at least one annual report under section 13(a).
Item 2. Recent United States Market Activity
The Company’s securities (other than offerings limited to employees of the Company) were last sold in the United States in a registered offering under the Securities Act of 1933 (“Securities Act”) when the Company registered its 6.875% Senior Notes due 2022 (the “Notes”) (offered in exchange for a previously unregistered offering of 6.875% Senior Notes due 2022), pursuant to the registration statement on Form F-4/A (file no. 333-197261) filed by the Company on September 16, 2014, which became effective on September 23, 2014. In the context of the Company’s financial restructuring plan, which was finalized on February 21, 2018, the Company’s obligations under the Notes were cancelled and its duties under the applicable indenture were fully discharged.
The Company’s ADSs were last sold in the United States in a registered offering under the Securities Act pursuant to the registration statement on Form F-4 (file no. 333-138033), filed by the Company on November 27, 2006, which became effective on November 30, 2006. The Company filed a post-effective amendment to the registration statement on Form F-4 to terminate the registration of the unsold shares.
The Company registered securities on registration statements on Form S-8 (file nos.: 333-150384; 333-158684; 333-166250; 333-173638; 333-188120; 333-197785; 333-210768; 333-212796). Prior to filing this Form 15F, the Company filed a post-effective amendment to terminate the registration of unsold securities under these registration statements.
Item 3. Foreign Listing and Primary Trading Market
A. The primary trading market for the Company’s ordinary shares is located in France, where the Company’s ordinary shares are listed on Euronext Paris S.A. (“Euronext”).
B. The Company’s ordinary shares were first listed on Euronext in 1981 and have been listed on Euronext for at least the 12 months preceding the filing of this Form.
C. For the 12-month period from October 1, 2017 to September 30, 2018, 71.7% of the Company’s ordinary shares were traded in France.
Item 4. Comparative Trading Volume Data
A. The 12-month period used for calculations under rule 12h-6(a)(4)(i) was from October 1, 2017 to September 30, 2018.
B. During the same 12-month period, the average daily trading volume of the class of securities that are the subject of this Form was 9,227,102 in the United States and 1,349,600,713 on a worldwide basis.