OMNICOM GROUP INC

CUSIP: 681919AV8 Class: CNV

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

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

Q1 2014
Shares 10,420,000 Value ($000) $13,835 Avg Close — Range —
Q4 2013
Shares 13,670,000 Value ($000) $18,565 Avg Close — Range —
Q3 2013
Shares 12,670,000 Value ($000) $15,377 Avg Close — Range —
Q2 2013
Shares 3,000,000 Value ($000) $3,453 Avg Close — Range —