MATERION CORP

Ticker: MTRN CUSIP: 576690101 Class: EQTY

SHEPHERD KAPLAN KROCHUK, LLC's Holding History (CIK: 0001218583)

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

Q4 2014
Shares 12,000 Value ($000) $423 Avg Close $34.46 Range $26.64 - $40.60
Q3 2014
Shares 16,200 Value ($000) $496 Avg Close $33.98 Range $30.65 - $39.38
Q2 2014
Shares 19,000 Value ($000) $703 Avg Close $34.63 Range $31.69 - $37.96
Q1 2014
Shares 28,000 Value ($000) $950 Avg Close $29.70 Range $25.21 - $35.19
Q4 2013
Shares 30,000 Value ($000) $925 Avg Close $29.01 Range $25.75 - $32.73
Q3 2013
Shares 32,900 Value ($000) $1,055 Avg Close $30.55 Range $27.09 - $33.69
Q2 2013
Shares 40,500 Value ($000) $1,097 Avg Close $28.11 Range $24.58 - $31.49