SNOWLING HARVEY EDWARD (Chief Operating Officer) made both purchases and sales at BORR DRILLING LTD

Purchased 205.6% of their position (300K shares) and sold 67.3% of their position (300K shares) — review individual transaction dates and prices for directional context.

P · 1S · 1

SNOWLING HARVEY EDWARD

Filed: 10/16/2026ACC: 0001628280-26-066061

InsiderSNOWLING HARVEY EDWARDCIK 2116137

→

IssuerBORR DRILLING LTDCIK 1715497

Officer· Chief Operating Officer

Since Mar 2026

-300K

Net shares

Net seller

$1.47M

Total sold

Open market trades

1B · 1S

Total transactions

300K acquired · 600K disposed

Non-Derivative Transactions2

Common Shares

Direct

P · Purchase

+300K

Price / share

$4.91

Trade value

$1.47M

% of position

205.6%

10/14/2026

145.94K→445.94K

Common Shares

Direct

S · Sale

−300K

Price / share

$4.91

Trade value

$1.47M

% of position

67.3%

10/14/2026

445.94K→145.94K

Total

Net shares

+0.00

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Shares Direct	10/14/2026	P · Purchase	+300K	$4.91	$1.47M	205.6%	145.94K	445.94K
Common Shares Direct	10/14/2026	S · Sale	−300K	$4.91	$1.47M	67.3%	445.94K	145.94K
Total			+0.00		$0.00

Derivative Transactions2

Employee Stock Option to Purchase Common Shares

Direct

M · Option Exercise

Converts to

Common Shares

150K shares

−150K

Strike price

1.66

Held after

0.00

Exercisable

—

10/13/2026

Employee Stock Option to Purchase Common Shares

Direct

M · Option Exercise

Converts to

Common Shares

150K shares

−150K

Strike price

1.66

Held after

0.00

Exercisable

—

10/13/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Employee Stock Option to Purchase Common Shares Direct	Common Shares150K shares	10/13/2026	M · Option Exercise	−150K	1.66	—	0.00
Employee Stock Option to Purchase Common Shares Direct	Common Shares150K shares	10/13/2026	M · Option Exercise	−150K	1.66	—	0.00

Non-Derivative Holdings (Post-Transaction)1

Common Shares

Direct

Shares owned52.50K

Total

52.50K direct52.50K

Security Title	Shares Owned	Ownership Type
Common Shares	52.50K	Direct
Total	52.50K	52.50K direct

Derivative Holdings (Post-Transaction)10

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

120K

Shares owned

0.00

Exercise price

3.66

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

75K

Shares owned

0.00

Exercise price

6.54

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

100K

Shares owned

0.00

Exercise price

6.31

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

100K

Shares owned

0.00

Exercise price

6.31

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

150K

Shares owned

0.00

Exercise price

1.66

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

100K

Shares owned

0.00

Exercise price

6.31

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

120K

Shares owned

0.00

Exercise price

5.16

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

75K

Shares owned

0.00

Exercise price

6.54

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

75K

Shares owned

0.00

Exercise price

6.54

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

120K

Shares owned

0.00

Exercise price

4.41

Expiration

—

Exercise window

—

Total

Underlying

1.03M

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares
Employee Stock Option to Purchase Common Shares Direct	Common Shares	3.66	—	—	120K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.54	—	—	75K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.31	—	—	100K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.31	—	—	100K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	1.66	—	—	150K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.31	—	—	100K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	5.16	—	—	120K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.54	—	—	75K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.54	—	—	75K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	4.41	—	—	120K
Total					1.03M