CANNABIS SCIENCE INC

CUSIP: 137648101 Class: Common / Ordinary Stock

Sky Investment Group LLC's Holding History (CIK: 0001333792)

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

Q3 2019

Shares 57,000 Value ($000) $1 Avg Close — Range —

Q2 2019

Shares 57,000 Value ($000) $2 Avg Close — Range —

Q1 2019

Shares 157,000 Value ($000) $6 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	57,000	$1	—	—
Q2 2019	57,000	$2	—	—
Q1 2019	157,000	$6	—	—