As filed with the Securities and Exchange Commission on May 9, 2018

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 20-F/A

(Amendment No. 1)

ANNUAL REPORT PURSUANT TO SECTION 13 OR

15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2017

Commission File Number: 33-99720

CELULOSA ARAUCO Y CONSTITUCIÓN S.A.

(Exact name of Registrant as specified in its charter)

Arauco and Constitution Pulp Inc.

(Translation of Registrant’s name into English)

Republic of Chile

(Jurisdiction of incorporation or organization)

Avenida El Golf 150

14^th Floor

Las Condes, Santiago

Chile

(Address of principal executive offices)

Gianfranco Truffello

Tel.: 56-2-2461-7221

E-mail: gianfranco.truffello@arauco.cl

Avenida El Golf 150

14^th Floor

Las Condes, Santiago

Chile

(Name, telephone, e-mail and/or facsimile number and address of company contact person)

Securities registered or to be registered pursuant to Section 12(b) of the Act:

None

Securities registered or to be registered pursuant to Section 12(g) of the Act:

None

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act:

Title of each class:

7.250% Notes due 2019

5.000% Notes due 2021

4.750% Notes due 2022

4.500% Notes due 2024

3.875% Notes due 2027

5.500% Notes due 2047

Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual report: Shares of Common Stock, without par value: 113,159,655

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.  Yes ☐  No ☒

If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934. Yes ☐ No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this Chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).   Yes ☒  No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):

Large Accelerated Filer	☐	Accelerated Filer	☐
Non-Accelerated Filer	☒	Emerging Growth Company	☐

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards† provided pursuant to Section 13(a) of the Exchange Act.   ☐

† The term “new or revised financial accounting standard” refers to any update issued by the Financial Accounting Standards Board to its Accounting Standards Codification after April 5, 2012.

Indicate by check mark which basis of accounting the registrant has used to prepare the financial statement included in this filing:

U.S. GAAP  ☐ International Financial Reporting Standards as issued by the International Accounting Standards Board    ☒ Other  ☐

If “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the registrant has elected to follow: Item  17 ☐  Item 18 ☐

If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes ☐  No ☒

Explanatory Note

Celulosa Arauco y Constitución S.A. (“Arauco”) is filing this Amendment No. 1 (the “Form 20-F/A”) to its Annual Report on Form 20-F for the fiscal year ended December 31, 2017 (the “Form 20-F”), which was originally filed with the Securities and Exchange Commission on April 23, 2018, to submit the Interactive Data File (as defined in Rule 11 of Regulation S-T) with respect to the audited consolidated financial statements of Arauco and its subsidiaries for that fiscal year as Exhibit 101 to the Form 20-F in accordance with Rule 405 of Regulation S-T. Exhibit 101 was omitted from the Form 20-F in accordance with the 30-day grace period provided under Rule 405(a)(2)(ii) of Regulation S-T.

Except as set forth above, this Form 20-F/A does not modify or update any of the disclosures in the Form 20-F. This Form 20-F/A speaks as of the time of filing of the Form 20-F, does not reflect events that may have occurred subsequent to such filing, and does not modify or update in any way disclosures made in the Form 20-F.

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Item 19. Exhibits

101.INS* XBRL Instance Document

101.SCH* XBRL Taxonomy Extension Schema Linkbase Document

101. CAL* XBRL Taxonomy Extension Calculation Linkbase Document

101. DEF* XBRL Taxonomy Extension Definition Linkbase Document

101.LAB* XBRL Taxonomy Extension Label Linkbase Document

101.PRE* XBRL Taxonomy Extension Presentation Linkbase Document

* In accordance with Rule 402 of Regulation S-T, the information in these exhibits shall not be deemed to be “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

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Signature

The registrant hereby certifies that it meets all of the requirements for filing this Amendment No. 1 to Form 20-F and that it has duly caused and authorized the undersigned to sign this Amendment No.1 to Form 20-F on its behalf.

CELULOSA ARAUCO Y CONSTITUCIÓN S.A.
By:	/s/ Matías Domeyko
	Matías Domeyko
	Chief Executive Officer

Date: May 9, 2018

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