DOLBY LABORATORIES INC

Ticker: DLB CUSIP: 25659T107 Class: Common Stock

E. Ohman J:or Asset Management AB's Holding History (CIK: 0002009396)

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

Q1 2013
Shares 1,300 Value ($000) $44 Avg Close $27.34 Range $25.27 - $29.41
Q4 2012
Shares 1,300 Value ($000) $38 Avg Close — Range —
Q3 2012
Shares 1,300 Value ($000) $43 Avg Close — Range —
Q2 2012
Shares 1,300 Value ($000) $54 Avg Close — Range —
Q1 2012
Shares 1,300 Value ($000) $49 Avg Close — Range —
Q4 2011
Shares 1,300 Value ($000) $40 Avg Close — Range —
Q3 2011
Shares 1,300 Value ($000) $36 Avg Close — Range —
Q2 2011
Shares 1,300 Value ($000) $55 Avg Close — Range —
Q1 2011
Shares 1,300 Value ($000) $64 Avg Close — Range —
Q4 2010
Shares 1,300 Value ($000) $87 Avg Close — Range —
Q3 2010
Shares 1,300 Value ($000) $74 Avg Close — Range —
Q2 2010
Shares 1,300 Value ($000) $81 Avg Close — Range —
Q1 2010
Shares 1,300 Value ($000) $76 Avg Close — Range —
Q4 2009
Shares 1,300 Value ($000) $62 Avg Close — Range —
Q3 2009
Shares 1,300 Value ($000) $50 Avg Close — Range —
Q2 2009
Shares 1,300 Value ($000) $48 Avg Close — Range —