SUTRON CORP

CUSIP: 869380105 Class: COM

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

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

Q1 2015
Shares 70,807 Value ($000) $359 Avg Close — Range —
Q4 2014
Shares 79,807 Value ($000) $399 Avg Close — Range —
Q3 2014
Shares 83,807 Value ($000) $426 Avg Close — Range —
Q2 2014
Shares 80,057 Value ($000) $398 Avg Close — Range —
Q1 2014
Shares 80,457 Value ($000) $437 Avg Close — Range —
Q4 2013
Shares 63,804 Value ($000) $328 Avg Close — Range —
Q3 2013
Shares 47,204 Value ($000) $236 Avg Close — Range —
Q2 2013
Shares 59,250 Value ($000) $338 Avg Close — Range —