CANNABIS SCIENCE INC

CUSIP: 137648101 Class: Common / Ordinary Stock

Parkside Financial Bank & Trust's Holding History (CIK: 0001455267)

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

Q2 2014

Shares 10,000 Value ($000) $1 Avg Close — Range —

Q1 2014

Shares 10,000 Value ($000) $2 Avg Close — Range —

Q4 2013

Shares 10,000 Value ($000) $1 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	10,000	$1	—	—
Q1 2014	10,000	$2	—	—
Q4 2013	10,000	$1	—	—