TIMKENSTEEL CORP

Ticker: MTUS CUSIP: 887399103 Class: Common Stock

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q2 2015

Shares 61,917 Value ($000) $1,671 Avg Close $29.20 Range $25.26 - $32.98

Q1 2015

Shares 78,617 Value ($000) $2,081 Avg Close $28.96 Range $24.81 - $36.81

Q4 2014

Shares 90,973 Value ($000) $3,369 Avg Close $36.23 Range $29.65 - $45.20

Q3 2014

Shares 85,356 Value ($000) $3,968 Avg Close $45.14 Range $38.50 - $49.75

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	61,917	$1,671	$29.20	$25.26 - $32.98
Q1 2015	78,617	$2,081	$28.96	$24.81 - $36.81
Q4 2014	90,973	$3,369	$36.23	$29.65 - $45.20
Q3 2014	85,356	$3,968	$45.14	$38.50 - $49.75