LUFKIN INDS INC

CUSIP: 549764108 Class: COM

TEXAS PERMANENT SCHOOL FUND CORP's Holding History (CIK: 0001223779)

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

Q2 2013
Shares 37,977 Value ($000) $3,360 Avg Close — Range —
Q1 2013
Shares 37,912 Value ($000) $2,517 Avg Close — Range —