Knight Capital 8-K Regulation FD Disclosure

Exhibit 99.1

Knight Capital Group, Inc.

Segment Reporting

(in thousands)

	Q1 '09			Q2 '09			Q3 '09			Q4 '09			Q1 '10			Q2 '10			Q3 '10			Q4 '10			Q1 '11			Q2 '11			Q3 '11			2009			2010			2011 Sep YTD
Market Making
Revenues		122,704.4			159,116.9			133,607.3			142,914.4			140,065.3			204,587.1			93,432.7			111,042.9			167,188.4			145,038.1			204,878.9			558,343.0			549,128.0			517,105.4
Expenses		73,558.6			100,084.7			96,355.6			90,504.7			84,396.2			101,432.2			72,391.1			81,040.3			103,820.0			105,865.1			135,690.7			360,503.6			339,259.8			345,375.9
Pre-Tax Earnings		49,145.8			59,032.2			37,251.7			52,409.7			55,669.1			103,154.9			21,041.6			30,002.6			63,368.4			39,172.9			69,188.2			197,839.4			209,868.3			171,729.5
Institutional Sales & Trading
Revenues		105,909.4			125,865.3			134,930.2			128,848.2			114,882.4			121,462.4			108,876.8			112,395.1			127,371.4			134,885.2			145,440.3			495,553.2			457,616.6			407,696.8
Expenses		86,446.9			105,475.5			117,355.3			121,846.7			111,656.2			120,617.3			124,740.8			120,088.6			135,062.1			138,853.3			160,992.4			431,124.4			477,102.9			434,907.9
Pre-Tax Earnings		19,462.5			20,389.9			17,574.9			7,001.6			3,226.2			845.1			(15,864.0	)		(7,693.6	)		(7,690.8	)		(3,968.2	)		(15,552.2	)		64,428.8			(19,486.3	)		(27,211.1	)
Electronic Execution Services
Revenues		21,626.4			25,043.4			26,329.7			28,978.2			31,009.1			38,353.1			31,725.7			37,125.1			40,332.9			41,925.7			45,088.4			101,977.8			138,213.0			127,347.1
Expenses		20,454.2			21,123.1			19,674.7			22,308.4			22,932.2			27,998.0			23,412.7			26,435.0			28,975.1			30,114.0			31,250.6			83,560.5			100,777.9			90,339.7
Pre-Tax Earnings		1,172.2			3,920.3			6,655.0			6,669.8			8,076.9			10,355.0			8,313.0			10,690.2			11,357.9			11,811.7			13,837.9			18,417.4			37,435.2			37,007.4
Corporate and Other
Revenues		(4,886.6	)		3,841.7			5,062.6			2,539.6			(1,718.6	)		1,871.9			5,474.2			(1,529.3	)		4,881.6			4,133.0			2,034.2			6,557.3			4,098.3			11,048.8
Expenses		13,865.2			6,291.6			16,786.5			17,493.2			19,297.7			25,099.1			18,852.3			18,702.2			21,833.4			21,695.4			25,064.3			54,436.5			81,951.3			68,593.0
Pre-Tax Earnings		(18,751.7	)		(2,449.9	)		(11,723.9	)		(14,953.6	)		(21,016.2	)		(23,227.2	)		(13,378.1	)		(20,231.5	)		(16,951.8	)		(17,562.4	)		(23,030.0	)		(47,879.2	)		(77,853.0	)		(57,544.2	)
Consolidated
Revenues		245,353.6			313,867.4			299,929.9			303,280.4			284,238.3			366,274.4			239,509.4			259,033.8			339,774.3			325,981.9			397,441.9			1,162,431.3			1,149,056.0			1,063,198.1
Expenses		194,324.9			232,974.9			250,172.1			252,153.0			238,282.3			275,146.5			239,396.8			246,266.1			289,690.6			296,527.8			352,998.0			929,624.9			999,091.8			939,216.5
Pre-Tax Earnings		51,028.8			80,892.4			49,757.7			51,127.4			45,956.0			91,127.9			112.6			12,767.7			50,083.7			29,454.1			44,443.8			232,806.4			149,964.2			123,981.6

Notes:

Totals may not add due to rounding

a) Expenses for Q3 ’11 (as well as 2011 Sep YTD) include restructuring charges of $28.6 million, which includes $0.5 million for Market Making, $23.9 million for Institutional Sales and Trading, $0.4 million for Electronic Execution Services, and $3.8 million for Corporate and Other

b) Expenses for Q3 ‘10 (as well as full year 2010) include restructuring charges of $16.7 million, which includes $1.6 million for Market Making, $14.3 million for Institutional Sales and Trading, $0.1 million for Electronic Execution Services, and $0.7 million for Corporate and Other

c) Lease loss charges and benefits are included within the expense line items as follows:

a. Institutional Sales and Trading:

 i. Q3 ‘11 – charge of $1.3 million

b. Electronic Execution Services:

 i. Q4 ’09 – charge of $0.3 million

ii. Q2 ‘10 – charge of $0.7 million

c. Corporate and Other:

 i. Q2 ‘09 – benefit of $13.1 million

ii. Q1 ‘11 – charge of $0.9 million