OMNICOM GROUP INC

Ticker: OMC CUSIP: 681919106 Class: COM

CHECK CAPITAL MANAGEMENT INC/CA's Holding History (CIK: 0001032814)

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

Q2 2013
Shares 184,048 Value ($000) $11,571 Avg Close $40.69 Range $38.27 - $42.87
Q1 2013
Shares 185,757 Value ($000) $10,941 Avg Close $36.84 Range $33.18 - $39.81
Q4 2012
Shares 189,546 Value ($000) $9,470 Avg Close — Range —
Q3 2012
Shares 190,624 Value ($000) $9,829 Avg Close — Range —