OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's Holding History (CIK: 0001535845)

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

Q2 2023

Shares 41,500 Value ($000) $310 Avg Close $7.30 Range $6.25 - $9.02

Q2 2021

Shares 16,500 Value ($000) $130 Avg Close $6.69 Range $5.16 - $8.70

Q1 2021

Shares 16,500 Value ($000) $99 Avg Close $6.82 Range $4.99 - $9.49

Q4 2020

Shares 303,800 Value ($000) $1,525 Avg Close $3.87 Range $2.37 - $5.52

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	41,500	$310	$7.30	$6.25 - $9.02
Q2 2021	16,500	$130	$6.69	$5.16 - $8.70
Q1 2021	16,500	$99	$6.82	$4.99 - $9.49
Q4 2020	303,800	$1,525	$3.87	$2.37 - $5.52