GSE SYS INC

CUSIP: 36227K106 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q3 2015
Shares 16,200 Value ($000) $24 Avg Close — Range —
Q2 2015
Shares 16,200 Value ($000) $25 Avg Close — Range —
Q1 2015
Shares 16,200 Value ($000) $24 Avg Close — Range —
Q4 2014
Shares 15,300 Value ($000) $24 Avg Close — Range —
Q3 2014
Shares 15,300 Value ($000) $24 Avg Close — Range —
Q2 2014
Shares 15,300 Value ($000) $25 Avg Close — Range —
Q1 2014
Shares 15,300 Value ($000) $27 Avg Close — Range —
Q4 2013
Shares 15,300 Value ($000) $24 Avg Close — Range —
Q3 2013
Shares 15,300 Value ($000) $24 Avg Close — Range —
Q2 2013
Shares 15,300 Value ($000) $23 Avg Close — Range —