Dec 24 (Reuters) - AGL Energy Ltd AGL.AX :
* AGL signs gas sales agreement with glng AGL.AX
* Says gas will be supplied at wallumbilla over a period of eleven years commencing in January 2017
* Says AGL is able to continue to utilise Queensland gas during periods of high east coast demand
* Executed an agreement with the glng project participants, Total, Petronas, Santos & kogas, for the sale of 254 petajoules (pj) of gas
* Says "annual quantities are profiled to sell up to 34 pj/year in the period 2018 to 2020"
* Source text for Eikon ID:nASX1j6lFz