HUGHES SATELITE SYSTEMS

CUSIP: 444454AB8 Class: CORP

ADVENT CAPITAL MANAGEMENT /DE/'s Holding History (CIK: 0001097278)

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

Q3 2016
Shares 270,000 Value ($000) $296 Avg Close — Range —
Q2 2016
Shares 270,000 Value ($000) $293 Avg Close — Range —
Q1 2016
Shares 270,000 Value ($000) $298 Avg Close — Range —
Q4 2015
Shares 270,000 Value ($000) $290 Avg Close — Range —
Q3 2015
Shares 270,000 Value ($000) $291 Avg Close — Range —
Q2 2015
Shares 270,000 Value ($000) $294 Avg Close — Range —
Q1 2015
Shares 300,000 Value ($000) $327 Avg Close — Range —
Q4 2014
Shares 300,000 Value ($000) $322 Avg Close — Range —
Q3 2014
Shares 300,000 Value ($000) $319 Avg Close — Range —
Q2 2014
Shares 300,000 Value ($000) $327 Avg Close — Range —
Q1 2014
Shares 300,000 Value ($000) $329 Avg Close — Range —
Q4 2013
Shares 300,000 Value ($000) $325 Avg Close — Range —
Q3 2013
Shares 300,000 Value ($000) $317 Avg Close — Range —
Q2 2013
Shares 300,000 Value ($000) $318 Avg Close — Range —