Filed Pursuant to Rule 424(b)(3)
Registration No. 333-155800

June 2010 Performance Update

The Frontier Fund Supplement Dated June 30, 2010 to Prospectus Dated April 30, 2010

The Frontier Fund Class 1 Original

T H E    F R O N T I E R    F U N D ’ S    G O A L : 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 1 Original	June 30, 2010	June 30, 2010	NAV / Unit
	MTD	YTD
Balanced Series-1	0.15%	1.99%	$120.89
Balanced Series-1a	0.07%	1.59%	$107.17
Campbell/Graham/Tiverton Series-1	-0.98%	-3.70%	$100.78
Currency Series-1	-1.21%	2.59%	$80.02
Long/Short Commodity Series-1	-2.97%	-5.73%	$107.25
Winton/Graham Series-1	-0.14%	0.58%	$110.70
Winton Series-1	2.10%	7.91%	$126.88
Long Only Commodity Series-1	1.00%	-10.02%	$75.21
Managed Futures Index Series-1	0.95%	2.20%	$115.01

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, 2010. 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 - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2010

(Unaudited)

						Current Period
INCOME
Realized trading gain/(loss)						$	(3,454,934.58	)
Unrealized trading gain/(loss)							5,521,723.06
Less: commissions							(404,007.26	)
Less: FCM fees							(106,091.60	)
Foreign currency gain/(loss)							29,651.84
Interest income							7,332.86
Total Income							1,593,674.32
EXPENSES
Management fees							107,712.94
Incentive fees							293,908.39
Broker service fees							761,730.04
Total Expenses							1,163,351.37
Net Income (Loss)						$	430,322.95
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units		Dollars			$’s per unit
Net Asset Value, end of prior month	2,319,717.46946		$	280,013,348.14			120.71
Current month additions	511.30919			61,647.52
Current month redemptions	(19,310.88692	)		(2,346,015.66	)
Net Income (loss) for current month				430,322.95
Net Asset Value, end of current month	2,300,917.89173		$	278,159,302.95			120.89
	Monthly rate of return						0.15	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1660 Lincoln Street, Suite 100

Denver, Colorado 80264

On Behalf of the Frontier Fund - Balanced Series 1

THE FRONTIER FUND BALANCED SERIES - 1a

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2010

(Unaudited)

						Current Period
INCOME
Realized trading gain/(loss)						$	(79,814.55	)
Unrealized trading gain/(loss)							123,132.92
Less: commissions							(9,309.41	)
Less: FCM fees							(2,441.35	)
Foreign currency gain/(loss)							751.39
Interest income							7,587.96
Total Income							39,906.96
EXPENSES
Trading Fee							12,521.46
Management fees							2,445.88
Incentive fees							6,163.78
Broker service fees							17,529.32
Total Expenses							38,660.44
Net Income (Loss)						$	1,246.52
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units		Dollars			$’s per unit
Net Asset Value, end of prior month	60,981.56715		$	6,530,758.36			107.09
Current month additions	6.05957			647.84
Current month redemptions	(4,848.72096	)		(516,164.06	)
Net Income (loss) for current month				1,246.52
Net Asset Value, end of current month	56,138.90576		$	6,016,488.66			107.17
	Monthly rate of return						0.07	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1660 Lincoln Street, Suite 100

Denver, Colorado 80264

On Behalf of the Frontier Fund - Balanced Series 1a

THE FRONTIER FUND CAMPBELL/GRAHAM/TIVERTON SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2010

(Unaudited)

						Current Period
INCOME
Realized trading gain/(loss)						$	672,922.84
Unrealized trading gain/(loss)							(865,132.58	)
Less: commissions							(32,225.78	)
Less: FCM fees							(28,536.67	)
Foreign currency gain/(loss)							(1,455.97	)
Interest income							1,278.71
Total Income							(253,149.45	)
EXPENSES
Management fees							190,105.43
Incentive fees							(4.47	)
Broker service fees							173,152.55
Total Expenses							363,253.51
Net Income (Loss)						$	(616,402.96	)
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units		Dollars			$’s per unit
Net Asset Value, end of prior month	629,334.67255		$	64,048,048.03			101.77
Current month additions	93.72528			9,499.67
Current month redemptions	(6,906.26645	)		(705,459.07	)
Net Income (loss) for current month				(616,402.96	)
Net Asset Value, end of current month	622,522.13138		$	62,735,685.67			100.78
	Monthly rate of return						-0.98	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1660 Lincoln Street, Suite 100

Denver, Colorado 80264

On Behalf of the Frontier Fund - Campbell/Graham/Tiverton Series 1

THE FRONTIER FUND CURRENCY SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2010

(Unaudited)

						Current Period
INCOME
Realized trading gain/(loss)						$	19,063.17
Unrealized trading gain/(loss)							(80,881.59	)
Less: FCM fees							(3,153.30	)
Interest income							4,252.46
Total Income							(60,719.26	)
EXPENSES
Management fees							5,070.53
Incentive fees							—
Broker service fees							19,244.96
Total Expenses							24,315.49
Net Income (Loss)						$	(85,034.75	)
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units		Dollars			$’s per unit
Net Asset Value, end of prior month	89,135.98789		$	7,220,007.60			81.00
Current month additions	67.49194			5,402.27
Current month redemptions	(1,843.01275	)		(149,495.04	)
Net Income (loss) for current month				(85,034.75	)
Net Asset Value, end of current month	87,360.46708		$	6,990,880.08			80.02
	Monthly rate of return						-1.21	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1660 Lincoln Street, Suite 100

Denver, Colorado 80264

On Behalf of the Frontier Fund - Currency Series 1

THE FRONTIER FUND LONG/SHORT COMMODITY SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2010

(Unaudited)

						Current Period
INCOME
Realized trading gain/(loss)						$	(2,300,012.45	)
Unrealized trading gain/(loss)							1,433,090.37
Less: commissions							(96,237.65	)
Less: FCM fees							(16,429.15	)
Foreign currency gain/(loss)							1,885.08
Interest income							69,526.55
Total Income							(908,177.25	)
EXPENSES
Management fees							178,670.11
Incentive fees							(68,859.77	)
Broker service fees							99,916.79
Total Expenses							209,727.13
Net Income (Loss)						$	(1,117,904.38	)
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units		Dollars			$’s per unit
Net Asset Value, end of prior month	341,335.66673		$	37,727,271.56			110.53
Current month additions	94.42902			10,197.03
Current month redemptions	(10,216.32890	)		(1,097,700.01	)
Net Income (loss) for current month				(1,117,904.38	)
Net Asset Value, end of current month	331,213.76685		$	35,521,864.20			107.25
	Monthly rate of return						-2.97	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1660 Lincoln Street, Suite 100

Denver, Colorado 80264

On Behalf of the Frontier Fund - Long/Short Commodity Series 1

THE FRONTIER FUND WINTON/GRAHAM SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2010

(Unaudited)

						Current Period
INCOME
Realized trading gain/(loss)						$	1,424,480.42
Unrealized trading gain/(loss)							(1,199,904.14	)
Less: commissions							(26,022.15	)
Less: FCM fees							(20,526.68	)
Foreign currency gain/(loss)							(774.48	)
Interest income							24,198.31
Total Income							201,451.28
EXPENSES
Management fees							140,072.75
Incentive fees							(36.90	)
Broker service fees							124,332.05
Total Expenses							264,367.90
Net Income (Loss)						$	(62,916.62	)
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units		Dollars			$’s per unit
Net Asset Value, end of prior month	414,378.39824		$	45,933,859.86			110.85
Current month additions	110.52658			12,146.00
Current month redemptions	(2,325.49698	)		(257,367.06	)
Net Income (loss) for current month				(62,916.62	)
Net Asset Value, end of current month	412,163.42784		$	45,625,722.18			110.70
	Monthly rate of return						-0.14	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1660 Lincoln Street, Suite 100

Denver, Colorado 80264

On Behalf of the Frontier Fund - Winton/Graham Series 1

THE FRONTIER FUND WINTON SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2010

(Unaudited)

						Current Period
INCOME
Realized trading gain/(loss)						$	2,918,760.41
Unrealized trading gain/(loss)							(1,635,246.38	)
Less: commissions							(7,547.39	)
Less: FCM fees							(21,891.21	)
Foreign currency gain/(loss)							(4,059.94	)
Interest income							26,061.21
Total Income							1,276,076.70
EXPENSES
Management fees							118,625.20
Incentive fees							—
Broker service fees							133,221.98
Total Expenses							251,847.18
Net Income (Loss)						$	1,024,229.52
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units		Dollars			$’s per unit
Net Asset Value, end of prior month	392,987.11427		$	48,837,008.50			124.27
Current month additions	191.74973			23,878.41
Current month redemptions	(4,421.46564	)		(561,254.13	)
Net Income (loss) for current month				1,024,229.52
Net Asset Value, end of current month	388,757.39836		$	49,323,862.30			126.88
	Monthly rate of return						2.10	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1660 Lincoln Street, Suite 100

Denver, Colorado 80264

On Behalf of the Frontier Fund - Winton Series 1

THE FRONTIER FUND LONG ONLY COMMODITY SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2010

(Unaudited)

						Current Period
INCOME
Realized trading gain/(loss)						$	29,949.81
Unrealized trading gain/(loss)							3,942.16
Less: commissions							—
Less: FCM fees							(1,341.69	)
Foreign currency gain/(loss)							—
Interest income							5,796.31
Total Income							38,346.59
EXPENSES
Management fees							3,473.28
Incentive fees							—
Broker service fees							5,482.19
Total Expenses							8,955.47
Net Income (Loss)						$	29,391.12
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units		Dollars			$’s per unit
Net Asset Value, end of prior month	41,102.02387		$	3,060,567.34			74.46
Current month additions	0.97924			75.28
Current month redemptions	(1,175.04935	)		(87,201.89	)
Net Income (loss) for current month				29,391.12
Net Asset Value, end of current month	39,927.95376		$	3,002,831.85			75.21
	Monthly rate of return						1.00	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1660 Lincoln Street, Suite 100

Denver, Colorado 80264

On Behalf of the Frontier Fund - Long Only Commodity Series 1

THE FRONTIER FUND MANAGED FUTURES INDEX SERIES - 1

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

June 30, 2010

(Unaudited)

						Current Period
INCOME
Realized trading gain/(loss)						$	48,315.42
Unrealized trading gain/(loss)							(24,091.75	)
Less: commissions							(702.12	)
Less: FCM fees							(769.12	)
Foreign currency gain/(loss)							(245.15	)
Interest income							100.41
Total Income							22,607.69
EXPENSES
Management fees							3,435.78
Incentive fees							—
Broker service fees							3,098.52
Total Expenses							6,534.30
Net Income (Loss)						$	16,073.39
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units		Dollars			$’s per unit
Net Asset Value, end of prior month	15,144.55858		$	1,725,328.39			113.92
Current month additions	—			—
Current month redemptions	(115.23159	)		(12,908.35	)
Net Income (loss) for current month				16,073.39
Net Asset Value, end of current month	15,029.32699		$	1,728,493.43			115.01
	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/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1660 Lincoln Street, Suite 100

Denver, Colorado 80264

On Behalf of the Frontier Fund - Managed Futures Index Series 1