PIONEER ACQUISITION I CORP

Ticker: PACHU CUSIP: G7117W123 Class: UNIT 06/16/2030

Westchester Capital Management, LLC's Holding History (CIK: 0001512805)

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

Q4 2025

Shares 850,000 Value ($000) $8,628 Avg Close — Range —

Q3 2025

Shares 850,000 Value ($000) $8,543 Avg Close — Range —

Q2 2025

Shares 250,000 Value ($000) $2,503 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	850,000	$8,628	—	—
Q3 2025	850,000	$8,543	—	—
Q2 2025	250,000	$2,503	—	—