a)

BOX Options Exchange LLC

b)

Cboe BYX Exchange, Inc. (ehemals Bats BYX Exchange, Inc.; Commodity Exchange, Inc.)

c)

Cboe BZX Exchange, Inc. (ehemals Bats BZX Exchange, Inc.; BATS Exchange, Inc.)

d)

Cboe C2 Exchange, Inc.

e)

Cboe EDGA Exchange, Inc. (ehemals Bats EDGA Exchange, Inc.; EDGA Exchange, Inc.)

f)

Cboe EDGX Exchange, Inc. (ehemals Bats EDGX Exchange, Inc.; EDGX Exchange, Inc.)

g)

Cboe Exchange, Inc.

h)

Chicago Stock Exchange, Inc.

i)

The Investors Exchange LLC

j)

Miami International Securities Exchange

k)

MIAX PEARL, LLC

l)

Nasdaq BX, Inc. (ehemals NASDAQ OMX BX, Inc.; Boston Stock Exchange)

m)

Nasdaq GEMX, LLC (ehemals ISE Gemini)

n)

Nasdaq ISE, LLC (ehemals International Securities Exchange, LLC)

o)

Nasdaq MRX, LLC (ehemals ISE Mercury)

p)

Nasdaq PHLX LLC (ehemals NASDAQ OMX PHLX, LLC; Philadelphia Stock Exchange)

q)

The Nasdaq Stock Market

r)

New York Stock Exchange LLC

s)

NYSE Arca, Inc.

t)

NYSE MKT LLC (ehemals NYSE AMEX and the American Stock Exchange)

u)

NYSE National, Inc. (ehemals National Stock Exchange, Inc.)

a)

Aqua Securities L.P.

b)

ATS-1

c)

ATS-4

d)

ATS-6

e)

Barclays ATS

f)

Barclays DirectEx

g)

BIDS Trading, L.P.

h)

CIOI

i)

CitiBLOC

j)

CITICROSS

k)

CODA Markets, Inc

l)

Credit Suisse Securities (USA) LLC

m)

Deutsche Bank Securities, Inc

n)

eBX LLC

o)

Instinct X

p)

Instinet Continuous Block Crossing System (CBX)

q)

Instinet, LLC (Instinet Crossing, Instinet BLX)

r)

Instinet, LLC (BlockCross)

s)

JPB-X

t)

J.P. Morgan ATS („JPM-X“)

u)

JSVC LLC

v)

LiquidNet H2O ATS

w)

Liquidnet Negotiation ATS

x)

Luminex Trading & Analytics LLC

y)

National Financial Services, LLC

z)

POSIT

aa)

SIGMA X2

bb)

Spot Quote LLC

cc)

Spread Zero LLC

dd)

UBS ATS

ee)

Ustocktrade

ff)

Virtu MatchIt

gg)

XE