Block Listing Six Monthly Return

26 May 2010

MAPLE ENERGY PLC

("Maple" or the "Company")

BLOCK LISTING SIX MONTHLY RETURN

Maple Energy plc (AIM: MPLE; LIMA: MPLE), an integrated energy company with assets in Peru, is pleased to announce the following update relating to its block admission of shares to be issued to certain optionholders upon the exercise by such optionholders of options granted pursuant to the Maple Energy Share Option Plan 2007:

Name of applicant: Maple Energy plc

Name of scheme: Maple Energy Share Option Plan 2007

Period of return: From: 27 November 2009

To: 26 May 2010

Balance under scheme from previous return: 4,721,948 ordinary shares

The amount by which the block scheme has

been increased, if the scheme has been

increased since the date of the last return: N/A

Number of securities issued/allotted

under scheme during the period of return: None

Balance under scheme not yet issued or

allotted at the end of the return period: 4,721,948 ordinary shares

Number and class of securities originally

admitted and the date of admission: 75,281,130 ordinary shares of US$0.01 each admitted on 13 July 2007

Total number of securities in issue at

the end of the period: 106,140,956 ordinary shares

Name of contact: Ray Cochard, Chief Financial Officer

Address of contact: Av. Víctor Andrès Belaúnde 147, Vía Principal 140, Suite 201, Edificio Real Seis, San Isidro, Lima, Peru

Telephone number of contact: + 51 1 611 4000

For further information, please contact:

Maple Energy plc (+ 51 1 611 4000)

Rex W. Canon, Chief Executive Officer, President and Executive Director

Jefferies International Limited: (+44 20 7029 8000) 

Schuyler Evans

Oliver Griffiths

Citigate Dewe Rogerson (+44 20 7638 9571)

Martin Jackson

George Cazenove