CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q4 2013
Shares 1,595 Value ($000) $96 Avg Close $57.66 Range $51.77 - $64.12
Q3 2013
Shares 1,855 Value ($000) $109 Avg Close $55.80 Range $50.23 - $59.80
Q2 2013
Shares 1,901 Value ($000) $96 Avg Close $55.73 Range $50.37 - $61.28
Q1 2013
Shares 3,001 Value ($000) $174 Avg Close $54.78 Range $48.22 - $60.00
Q4 2010
Shares 1,330 Value ($000) $112 Avg Close — Range —