DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

ONTARIO TEACHERS PENSION PLAN BOARD's Holding History (CIK: 0000937567)

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

Q3 2025

Shares 3,161 Value ($000) $1,017 Avg Close $334.45 Range $256.63 - $468.00

Q2 2025

Shares 3,508 Value ($000) $1,438 Avg Close $438.78 Range $274.97 - $544.93

Q1 2025

Shares 4,221 Value ($000) $1,311 Avg Close $342.01 Range $263.68 - $441.76

Q4 2024

Shares 2,720 Value ($000) $882 Avg Close $318.27 Range $273.06 - $378.48

Q3 2024

Shares 1,005 Value ($000) $283 Avg Close $205.07 Range $145.05 - $297.56

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	3,161	$1,017	$334.45	$256.63 - $468.00
Q2 2025	3,508	$1,438	$438.78	$274.97 - $544.93
Q1 2025	4,221	$1,311	$342.01	$263.68 - $441.76
Q4 2024	2,720	$882	$318.27	$273.06 - $378.48
Q3 2024	1,005	$283	$205.07	$145.05 - $297.56