MAREX GROUP PLC

Ticker: MRX CUSIP: G5S37H101 Class: Common Stock

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q4 2025

Shares 1,935,503 Value ($000) $74,246 Avg Close $33.95 Range $27.79 - $40.39

Q3 2025

Shares 1,786,767 Value ($000) $60,071 Avg Close $35.86 Range $32.08 - $40.08

Q2 2025

Shares 1,767,432 Value ($000) $69,761 Avg Close $41.19 Range $32.61 - $48.76

Q1 2025

Shares 1,454,021 Value ($000) $51 Avg Close $34.28 Range $29.91 - $39.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,935,503	$74,246	$33.95	$27.79 - $40.39
Q3 2025	1,786,767	$60,071	$35.86	$32.08 - $40.08
Q2 2025	1,767,432	$69,761	$41.19	$32.61 - $48.76
Q1 2025	1,454,021	$51	$34.28	$29.91 - $39.41