HALLADOR ENERGY COMPANY

Ticker: HNRG CUSIP: 40609P105 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025

Shares 113,899 Value ($000) $2,169 Avg Close $20.26 Range $17.23 - $24.70

Q1 2023

Shares 33,413 Value ($000) $307 Avg Close $8.46 Range $6.87 - $10.30

Q4 2022

Shares 22,000 Value ($000) $220 Avg Close $8.23 Range $5.68 - $11.57

Q2 2019

Shares 41,822 Value ($000) $235 Avg Close $5.39 Range $4.80 - $6.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	113,899	$2,169	$20.26	$17.23 - $24.70
Q1 2023	33,413	$307	$8.46	$6.87 - $10.30
Q4 2022	22,000	$220	$8.23	$5.68 - $11.57
Q2 2019	41,822	$235	$5.39	$4.80 - $6.00