Filed Pursuant to Rule 424(b)(3)

Registration No. 333-155800

June 2013 Performance Update

The Frontier Fund Supplement Dated June 30, 2013 to Prospectus Dated April 30, 2013.

The Frontier Fund Class 2 Original

THE FRONTIER FUND’S GOAL: To provide you – the investor – with a managed futures product that, over the long term, provides attractive returns, reduces volatility, and improves the overall performance of your investment portfolio.

June performance for the various Series of The Frontier Fund is detailed below:*

The Frontier Fund Class 2 Original	June 30, 2013			June 30, 2013			NAV / Unit
	MTD			YTD
Balanced Series-2		-6.91	%		-8.49	%	$	136.54
Balanced Series-2a		-6.80	%		-7.78	%	$	114.69
Frontier Select Series-2		0.95	%		4.51	%	$	104.04
Long/Short Commodity Series-2		-4.47	%		-7.68	%	$	134.46
Frontier Heritage Series-2		-2.23	%		5.27	%	$	127.04
Winton Series-2		-3.31	%		3.09	%	$	163.19

Additional information, including monthly rates of return, concerning the aforementioned Series and the Trading Advisor(s) is contained in the Prospectus and the respective Series Appendix to the Prospectus.

* The above table sets forth the actual performance for the Class and Series as of June 30, 2013. Actual gross trading performance (gross realized and unrealized gain/loss before deduction for trading commissions and fees, management fees, any other expense, and before addition of interest income) is adjusted for the trading expenses, management fees, initial service fees, on-going service fees, and interest income of the applicable Series.

THIS INSERT MUST BE ACCOMPANIED OR PRECEDED BY THE CURRENT PROSPECTUS OF THE FRONTIER FUND

PAST PERFORMANCE IS NOT INDICATIVE OF FUTURE RESULTS

THE FRONTIER FUND BALANCED SERIES—2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2013

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(2,306,334.53	)
Unrealized trading gain (loss)		(667,162.36	)
Less: Commissions		(64,969.99	)
Less: Trading Fee paid to Managing Owner		(24,379.65	)
Interest income		8,306.50
Total Income		(3,054,540.03	)
EXPENSES
Broker service fees		0.00
Incentive fees		0.00
Management fees		32,221.47
Total Expenses		32,221.47
Net Income (Loss)	$	(3,086,761.50	)

Statement of Changes in Net Asset Value

	Units			Dollars			$’s per unit
Net asset value, beginning of month		307,367.73051		$	45,081,645.13		$	146.67
Current month additions		0.00000			0.00
Current month redemptions		(12,603.37855	)		(1,748,329.20	)
Net income (loss) for current month					(3,086,761.50	)		(10.13	)
Net asset value, end of current month		294,764.35196		$	40,246,554.43		$	136.54
		Monthly rate of return						-6.91	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund—BALANCED SERIES—2

THE FRONTIER FUND BALANCED SERIES—2a

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2013

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(43,850.97	)
Unrealized trading gain (loss)		(12,780.36	)
Less: Commissions		(1,227.45	)
Less: Trading Fee paid to Managing Owner		(462.45	)
Interest income		1,116.34
Total Income		(57,204.89	)
EXPENSES
Trading fees		0.00
Broker service fees		0.00
Incentive fees		0.00
Management fees		611.03
Total Expenses		611.03
Net Income (Loss)	$	(57,815.92	)

Statement of Changes in Net Asset Value

	Units			Dollars			$’s per unit
Net asset value, beginning of month		7,081.42480		$	871,377.83		$	123.05
Current month additions		0.00000			0.00
Current month redemptions		(369.70709	)		(43,811.34	)
Net income (loss) for current month					(57,815.92	)		(8.36	)
Net asset value, end of current month		6,711.71771		$	769,750.57		$	114.69
		Monthly rate of return						-6.80	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund—BALANCED SERIES—2a

THE FRONTIER FUND FRONTIER SELECT SERIES—2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2013

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(17,245.93	)
Unrealized trading gain (loss)		47,422.39
Less: Commissions		(927.71	)
Less: Trading Fee paid to Managing Owner		(1,566.75	)
Interest income		3,297.54
Total Income		30,979.54
EXPENSES
Broker service fees		0.00
Incentive fees		0.00
Management fees		5,158.63
Total Expenses		5,158.63
Net Income (Loss)	$	25,820.91

Statement of Changes in Net Asset Value

	Units			Dollars			$’s per unit
Net asset value, beginning of month		26,656.27508		$	2,747,120.80		$	103.06
Current month additions		0.00000			0.00
Current month redemptions		(322.77565	)		(33,266.81	)
Net income (loss) for current month					25,820.91			0.98
Net asset value, end of current month		26,333.49943		$	2,739,674.90		$	104.04
		Monthly rate of return						0.95	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund—FRONTIER SELECT SERIES—2

THE FRONTIER FUND LONG/SHORT COMMODITY SERIES—2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2013

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(30,039.58	)
Unrealized trading gain (loss)		(166,255.21	)
Less: Commissions		(6,322.77	)
Less: Trading Fee paid to Managing Owner		(2,794.32	)
Interest income		9,796.94
Total Income		(195,614.94	)
EXPENSES
Broker service fees		0.00
Incentive fees		0.00
Management fees		26,912.35
Total Expenses		26,912.35
Net Income (Loss)	$	(222,527.29	)

Statement of Changes in Net Asset Value

	Units			Dollars			$’s per unit
Net asset value, beginning of month		35,457.64471		$	4,990,442.53		$	140.74
Current month additions		0.00000			0.00
Current month redemptions		(127.35386	)		(17,484.03	)
Net income (loss) for current month					(222,527.29	)		(6.28	)
Net asset value, end of current month		35,330.29085		$	4,750,431.21		$	134.46
		Monthly rate of return						-4.47	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund—LONG/SHORT COMMODITY SERIES—2

THE FRONTIER FUND FRONTIER HERITAGE SERIES—2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2013

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(38,261.81	)
Unrealized trading gain (loss)		(40,428.52	)
Less: Commissions		(266.93	)
Less: Trading Fee paid to Managing Owner		(2,084.70	)
Interest income		2,394.74
Total Income		(78,647.22	)
EXPENSES
Broker service fees		0.00
Incentive fees		0.00
Management fees		4,526.43
Total Expenses		4,526.43
Net Income (Loss)	$	(83,173.65	)

Statement of Changes in Net Asset Value

	Units			Dollars			$’s per unit
Net asset value, beginning of month		28,615.83200		$	3,718,210.65		$	129.94
Current month additions		0.00000			0.00
Current month redemptions		(231.02066	)		(29,166.28	)
Net income (loss) for current month					(83,173.65	)		(2.90	)
Net asset value, end of current month		28,384.81134		$	3,605,870.72		$	127.04
		Monthly rate of return						-2.23	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund—FRONTIER HERITAGE SERIES—2

THE FRONTIER FUND WINTON SERIES—2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2013

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(220,736.44	)
Unrealized trading gain (loss)		(112,628.43	)
Less: Commissions		(1,551.47	)
Less: Trading Fee paid to Managing Owner		(5,950.35	)
Interest income		7,667.21
Total Income		(333,199.48	)
EXPENSES
Broker service fees		0.00
Incentive fees		0.00
Management fees		21,092.80
Total Expenses		21,092.80
Net Income (Loss)	$	(354,292.28	)

Statement of Changes in Net Asset Value

	Units		Dollars			$’s per unit
Net asset value, beginning of month		63,441.55019	$	10,707,620.25		$	168.78
Current month additions		0.00000		0.00
Current month redemptions		0.00000		0.00
Net income (loss) for current month				(354,292.28	)		(5.59	)
Net asset value, end of current month		63,441.55019	$	10,353,327.97		$	163.19
		Monthly rate of return					-3.31	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund—WINTON SERIES—2

THE FRONTIER FUND BALANCED SERIES

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2013

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(8,656,752.08	)
Unrealized trading gain (loss)		(2,478,291.28	)
Less: Commissions		(243,605.33	)
Less: Trading Fee paid to Managing Owner		(91,403.36	)
Interest income		35,324.32
Total Income		(11,434,727.73	)
EXPENSES
Trading fees		0.00
Broker service fees		259,964.91
Incentive fees		0.00
Management fees		120,807.95
Total Expenses		380,772.86
Net Income (Loss)	$	(11,815,500.59	)

Statement of Changes in Net Asset Value

	Units			Dollars			Aggregate Net Asset Value per unit*
Net asset value, beginning of month		1,402,002.71339		$	168,989,096.17		$	120.53
Current month additions		234.80157			25,486.26
Current month redemptions		(47,096.81521	)		(5,457,894.15	)
Net income (loss) for current month					(11,815,500.60	)		(8.56	)
Net asset value, end of current month		1,355,140.69975		$	151,741,187.68		$	111.97
		Monthly rate of return						-7.10	%

* Please see your specific Class Statement of Income (Loss) for your specific unit value.

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund—BALANCED SERIES

THE FRONTIER FUND FRONTIER SELECT SERIES

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2013

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(142,785.33	)
Unrealized trading gain (loss)		381,102.41
Less: Commissions		(7,527.83	)
Less: Trading Fee paid to Managing Owner		(12,719.21	)
Interest income		26,786.99
Total Income		244,857.03
EXPENSES
Trading fees		0.00
Broker service fees		44,606.96
Incentive fees		0.00
Management fees		41,876.06
Total Expenses		86,483.02
Net Income (Loss)	$	158,374.01

Statement of Changes in Net Asset Value

	Units			Dollars			Aggregate Net Asset Value per unit*
Net asset value, beginning of month		272,810.76517		$	22,544,674.21		$	82.64
Current month additions		18.13036			1,437.42
Current month redemptions		(7,952.63868	)		(641,457.07	)
Net income (loss) for current month					158,374.01			0.66
Net asset value, end of current month		264,876.25685		$	22,063,028.57		$	83.30
		Monthly rate of return						0.80	%

* Please see your specific Class Statement of Income (Loss) for your specific unit value.

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund—FRONTIER SELECT SERIES

THE FRONTIER FUND FRONTIER LONG/SHORT COMMODITY SERIES

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2013

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(251,884.19	)
Unrealized trading gain (loss)		(1,465,175.97	)
Less: Commissions		(55,160.41	)
Less: Trading Fee paid to Managing Owner		(54,138.70	)
Interest income		85,522.06
Total Income		(1,740,837.21	)
EXPENSES
Trading fees		0.00
Broker service fees		25,248.39
Incentive fees		0.00
Management fees		176,531.16
Total Expenses		201,779.55
Net Income (Loss)	$	(1,942,616.76	)

Statement of Changes in Net Asset Value

	Units			Dollars			Aggregate Net Asset Value per unit*
Net asset value, beginning of month		368,645.17894		$	44,054,602.77		$	119.50
Current month additions		1,178.22678			121,667.82
Current month redemptions		(16,764.46417	)		(1,848,230.18	)
Net income (loss) for current month					(1,942,616.76	)		(5.11	)
Net asset value, end of current month		353,058.94155		$	40,385,423.65		$	114.39
		Monthly rate of return						-4.28	%

* Please see your specific Class Statement of Income (Loss) for your specific unit value.

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund—FRONTIER LONG/SHORT COMMODITY SERIES

THE FRONTIER FUND FRONTIER HERITAGE SERIES

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2013

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(187,474.87	)
Unrealized trading gain (loss)		(208,593.19	)
Less: Commissions		(1,322.98	)
Less: Trading Fee paid to Managing Owner		(10,326.85	)
Interest income		11,874.49
Total Income		(395,843.40	)
EXPENSES
Trading fees		0.00
Broker service fees		32,967.94
Incentive fees		0.00
Management fees		22,419.27
Total Expenses		55,387.21
Net Income (Loss)	$	(451,230.61	)

Statement of Changes in Net Asset Value

	Units			Dollars			Aggregate Net Asset Value per unit*
Net asset value, beginning of month		177,582.63057		$	18,697,319.54		$	105.29
Current month additions		38.77250			3,804.23
Current month redemptions		(7,751.55912	)		(766,757.95	)
Net income (loss) for current month					(451,230.61	)		(2.37	)
Net asset value, end of current month		169,869.84395		$	17,483,135.21		$	102.92
		Monthly rate of return						-2.25	%

* Please see your specific Class Statement of Income (Loss) for your specific unit value.

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund—FRONTIER HERITAGE SERIES

THE FRONTIER FUND WINTON SERIES

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2013

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(834,978.18	)
Unrealized trading gain (loss)		(437,209.08	)
Less: Commissions		(5,891.91	)
Less: Trading Fee paid to Managing Owner		(22,583.68	)
Interest income		29,108.57
Total Income		(1,271,554.28	)
EXPENSES
Trading fees		0.00
Broker service fees		66,528.55
Incentive fees		0.00
Management fees		80,053.38
Total Expenses		146,581.93
Net Income (Loss)	$	(1,418,136.21	)

Statement of Changes in Net Asset Value

	Units			Dollars			Aggregate Net Asset Value per unit*
Net asset value, beginning of month		281,818.36186		$	40,771,499.68		$	144.67
Current month additions		121.95744			16,198.89
Current month redemptions		(3,852.36509	)		(509,368.09	)
Net income (loss) for current month					(1,418,136.21	)		(4.93	)
Net asset value, end of current month		278,087.95421		$	38,860,194.27		$	139.74
		Monthly rate of return						-3.41	%

* Please see your specific Class Statement of Income (Loss) for your specific unit value.

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund—WINTON SERIES