DEGEYTER BROCK M (See remarks below.) exercised options at SUMMIT MIDSTREAM PARTNERS, LP

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise

DEGEYTER BROCK M

Filed: 3/17/2020ACC: 0001209191-20-019747

InsiderDEGEYTER BROCK MCIK 1558304

→

IssuerSUMMIT MIDSTREAM PARTNERS, LPCIK 1549922

Officer· See remarks below.

Since Jul 2018

-45.33K

Net shares

Net seller

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

45.33K acquired · 90.67K disposed

Non-Derivative Transactions1

Common Units

Direct

M · Option Exercise

+45.33K

Price / share

—

Trade value

—

% of position

50.4%

3/15/2020

89.99K→135.33K

Total

Net shares

+45.33K

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Units Direct	3/15/2020	M · Option Exercise	+45.33K	—	—	50.4%	89.99K	135.33K
Total			+45.33K		$0.00

Derivative Transactions6

Phantom Units

Direct

M · Option Exercise

Converts to

Common Units

10.37K shares

−10.37K

Strike price

Held after

0.00

Exercisable

—

3/15/2020

Distribution Equivalent Rights

Direct

D · Disposition

Converts to

Common Units

10.37K shares

−10.37K

Strike price

5.5875

Held after

0.00

Exercisable

—

3/15/2020

Phantom Units

Direct

M · Option Exercise

Converts to

Common Units

13.66K shares

−13.66K

Strike price

Held after

13.66K

Exercisable

—

3/15/2020

Distribution Equivalent Rights

Direct

D · Disposition

Converts to

Common Units

13.66K shares

−13.66K

Strike price

3.2875

Held after

0.00

Exercisable

—

3/15/2020

Phantom Units

Direct

M · Option Exercise

Converts to

Common Units

21.30K shares

−21.30K

Strike price

Held after

42.60K

Exercisable

—

3/15/2020

Distribution Equivalent Rights

Direct

D · Disposition

Converts to

Common Units

21.30K shares

−21.30K

Strike price

0.9875

Held after

0.00

Exercisable

—

3/15/2020

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Phantom Units Direct	Common Units10.37K shares	3/15/2020	M · Option Exercise	−10.37K		—	0.00
Distribution Equivalent Rights Direct	Common Units10.37K shares	3/15/2020	D · Disposition	−10.37K	5.5875	—	0.00
Phantom Units Direct	Common Units13.66K shares	3/15/2020	M · Option Exercise	−13.66K		—	13.66K
Distribution Equivalent Rights Direct	Common Units13.66K shares	3/15/2020	D · Disposition	−13.66K	3.2875	—	0.00
Phantom Units Direct	Common Units21.30K shares	3/15/2020	M · Option Exercise	−21.30K		—	42.60K
Distribution Equivalent Rights Direct	Common Units21.30K shares	3/15/2020	D · Disposition	−21.30K	0.9875	—	0.00