SECURITIES AND EXCHANGE COMMISSIONSEC FORM 17-C

CURRENT REPORT UNDER SECTION 17
OF THE SECURITIES REGULATION CODE
AND SRC RULE 17.2(c) THEREUNDER

1. Date of Report (Date of earliest event reported)

Oct 27, 2017

2. SEC Identification Number

31171

3. BIR Tax Identification No.

000-168-801

4. Exact name of issuer as specified in its charter

PETRON CORPORATION

5. Province, country or other jurisdiction of incorporation

Philippines

6. Industry Classification Code(SEC Use Only)

7. Address of principal office

San Miguel Head Office Complex, 40 San Miguel Avenue, Mandaluyong City Postal Code 1550

8. Issuer's telephone number, including area code

(63 2) 886-3888, 884-9200

9. Former name or former address, if changed since last report

N/A

10. Securities registered pursuant to Sections 8 and 12 of the SRC or Sections 4 and 8 of the RSA

Title of Each Class	Number of Shares of Common Stock Outstanding and Amount of Debt Outstanding
COMMON (PCOR)	9,375,104,497
PREFERRED SERIES 2A (PRF2A)	7,122,320
PREFERRED SERIES 2B (PRF2B)	2,877,680
PCOR SERIES A BONDS DUE 2021 (IN MIL PESO)	13,000
PCOR SERIES B BONDS DUE 2023 (IN MIL PESO)	7,000
TOTAL DEBT AS OF JUNE 30, 2017 (IN MIL PESO-CONSO)	222,792

11. Indicate the item numbers reported herein

Item 9

The Exchange does not warrant and holds no responsibility for the veracity of the facts and representations contained in all corporate disclosures, including financial reports. All data contained herein are prepared and submitted by the disclosing party to the Exchange, and are disseminated solely for purposes of information. Any questions on the data contained herein should be addressed directly to the Corporate Information Officer of the disclosing party.

Petron CorporationPCOR

PSE Disclosure Form 14-1 - Notice of Analysts'/Investors' Briefing References: Section 14 of the Revised Disclosure Rules

Subject of the Disclosure
Notice of Investors' Briefing
Background/Description of the Disclosure
Combined Investors' Briefing for the 2017 September YTD Results of Petron Corporation, San Miguel Corporation, San Miguel Brewery Inc., Ginebra San Miguel Inc. and San Miguel Pure Foods Company Inc.

Type of Briefing	Investors' Briefing
Subject of the Briefing	Combined Investors' Briefing for the 2017 September YTD Results of Petron Corporation, San Miguel Corporation, San Miguel Brewery Inc., Ginebra San Miguel Inc. and San Miguel Pure Foods Company Inc.
Date of the Briefing	Nov 10, 2017
Time	4:30 pm
Venue	Executive Dining Room, 2/F SMC Head Office Complex, 40 San Miguel Avenue, Mandaluyong City
Contact Person	Gina Qubing and Justine Lacanienta
Contact Details	(63 2) 632-3741 and 632-3422

Other Relevant Information
Please see attached letter dated October 27, 2017.