AGL Energy Limited  ABN: 74 115 061 375 All Registry communications to: Link Market Services Limited  Locked Bag A14  Sydney South NSW 1235  Australia T  1800 824 513  From outside Australia:  T  +61 2 8280 7115  F  +61 2 9287 0303 E  aglenergy@linkmarketservices.com.au  www.agl.com.au  ASX Code: AGK Dear Shareholder, I am pleased to invite you to attend the 2012 Annual General Meeting of Shareholders (AGM), which has  been scheduled as follows: Date: Tuesday 23 October 2012  Time: 10.30am (Sydney time)  Venue:  City Recital Hall, Angel Place, Sydney The business to be dealt with at the AGM is provided in the enclosed Notice of Meeting. If you are able to attend the AGM, please bring the enclosed Shareholder Voting Form with you to facilitate  registration at the AGM. If you do not plan on attending the AGM, you are encouraged to appoint a proxy to attend and vote on your  behalf by lodging your proxy appointment online at www.linkmarketservices.com.au or by completing the  enclosed Shareholder Voting Form and returning it in the envelope provided. Instructions on how to appoint  a proxy are detailed on the back of the Shareholder Voting Form. Proxies must be received no later than  10.30am (Sydney time) on Sunday 21 October 2012 to be valid for the AGM. Proxies may be lodged online  or returned by mail or by fax on 02 9287 0309. You are encouraged to let us know of any questions you may have before the AGM. Details of how to lodge  those questions prior to the AGM are at the rear of the Notice of Meeting. We look forward to seeing you at the AGM. Yours sincerely, Jeremy Maycock  Chairman  17 September 2012