Dec 14 (Reuters) - Pengrowth Energy Corp PGF.TO :
* Pengrowth Energy Corp - under terms of agreement, pengrowth is selling a 4.0% royalty on all of its lindbergh thermal properties
* Pengrowth announces the sale of a 4.0% gross overriding royalty interest on its lindbergh thermal assets for $250 million
* Pengrowth Energy Corp - purchaser of royalty retains option to receive royalty either in cash or as production in kind Source text for Eikon: Further company coverage: PGF.TO