POWERSHS DB MULTI SECT COMM

CUSIP: 73936B705 Class: DB BASE METALS

TETRAD CORP's Holding History (CIK: 0000883597)

Note: Option positions (PUT/CALL) are excluded.

Q3 2011
Shares 23,400 Value ($000) $434 Avg Close — Range —
Q2 2011
Shares 20,700 Value ($000) $494 Avg Close — Range —
Q1 2011
Shares 20,700 Value ($000) $505 Avg Close — Range —