* BTr awards 12.8 billion pesos ($234.73 million) worth of T-bills vs 15 billion pesos offer
* BTr awards 5 billion pesos of 91-day T-bills at 5.045% avg yield vs previous rate 5.149%
* BTr awards 2.8 billion pesos of 182-day T-bills at 5.674% avg yield vs previous rate 5.677%
* BTr awards 5 billion pesos of 364-day T-bills at 5.977% avg yield vs previous rate 5.987%
* Details are on the BTr's website
($1 = 54.53 Philippine pesos)
(Reporting by Enrico Dela Cruz
Editing by Ed Davies)