Petaquilla Minerals (PTQ) 6-K/A Report of Foreign Private Issuer for the Month of October 2011

Exhibit 99.1

AMENDED NOTICE FOR:	PETAQUILLA MINERALS LTD.
Contact person:	Richard Fifer
Contact Telephone number:	604-694-0021

Date: September 30, 2011	510 Burrard St, 3rd Floor
	Vancouver BC, V6C 3B9
	www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: PETAQUILLA MINERALS LTD. (AMENDMENT)

Dear Sirs:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:

Meeting Type:	Annual General Meeting
Record Date for Notice of Meeting:	19-10-2011
Record Date for Voting (if applicable):	19-10-2011
Beneficial Ownership Determination Date:	19-10-2011
Meeting Date:	01-12-2011 (AMENDED)
Meeting Location (if available):	Fairmont Waterfront, Vancouver, BC

Voting Security Details:

Description	CUSIP Number	ISIN
COMMON	716013107	CA7160131073

Sincerely,

Computershare Trust Company of Canada / Computershare Investor Services Inc.

Agent for PETAQUILLA MINERALS LTD.