EXHIBIT 99.1

NEWS RELEASE

FOR IMMEDIATE RELEASE	Contact:	Steven E. Nielsen, President and CEO
		Richard L. Dunn, Senior Vice President
		and CFO
		(561) 627-7171

Palm Beach Gardens, Florida August 29, 2005

DYCOM ANNOUNCES FISCAL 2005 FOURTH QUARTER EARNINGS AND PROVIDES
GUIDANCE FOR THE NEXT FISCAL QUARTER

Palm Beach Gardens, Florida, August 29, 2005—Dycom Industries, Inc. (NYSE Symbol: “DY”) announced its results today for the fourth quarter ended July 30, 2005. The Company reported a net loss for the quarter ended July 30, 2005 of $12.4 million, or a loss of $0.25 per common share diluted, versus net income for the quarter ended July 31, 2004 of $17.1 million, or $0.35 per common share diluted. Included in net loss for the quarter ended July 30, 2005 was a goodwill impairment charge of approximately $29.0 million (or $0.59 per diluted share) related to the Company’s White Mountain Cable Construction subsidiary. Excluding this item, net income for the quarter ended July 30, 2005 would have been $16.6 million, or $0.34 per common share diluted. Total contract revenues for the quarter ended July 30, 2005 were $251.3 million compared to total contract revenues of $260.8 million for the quarter ended July 31, 2004, a decrease of 3.6%.

For the year ended July 30, 2005, the Company reported net income of $24.3 million, or $0.49 per common share diluted, versus net income for the year ended July 31, 2004 of $58.6 million, or $1.20 per common share diluted. Total contract revenues for the year ended July 30, 2005 were $986.6 million compared to total contract revenues of $872.7 million for the year ended July 31, 2004, an increase of 13.1%. Included in the net income for the year ended July 30, 2005 was a goodwill impairment charge of approximately $29.0 million (or $0.59 per diluted share) related to the Company’s White Mountain Cable Construction subsidiary. Excluding this item, net income for the year ended July 30, 2005 would have been $53.3 million, or $1.08 per common share diluted. Included in the net income for the year ended July 31, 2004 was a nonrecurring gain of $11.4 million ($6.8 million net of tax) related to the sale of long-term accounts receivable, and a charge of $2.3 million ($1.4 million net of tax) related to a reserve recorded in connection with a federal employment tax audit. Excluding these items, net income for the year ended July 31, 2004 would have been $53.2 million, or $1.09 per common share diluted.

In comparing the financial results for the three-month and one-year periods ended July 30, 2005 with prior periods, it should be noted that Dycom utilizes a 52/53 week fiscal year ending on the last Saturday in July. As a result, the fourth quarter of fiscal 2005 contained 13 weeks and the year ended July 30, 2005 contained 52 weeks compared to 14 weeks for the fourth quarter of fiscal 2004 and 53 weeks for the year ended July 31, 2004.

Dycom also announced its outlook for the first quarter of fiscal 2006. The Company currently expects revenue for the first quarter of fiscal 2006 to range from $225 million to $245 million and diluted earnings per share to range from $0.17 to $0.23.

A Tele-Conference call to review the Company’s results and address its outlook will be hosted at 9:00 a.m. (ET), Tuesday, August 30, 2005; call 877-531-2988 (United States) or 612-332-0720 (International) and request “Dycom Earnings” conference call. A live webcast of the conference call will be available at http://www.dycomind.com. If you are unable to attend the conference call at the scheduled time, a replay of the live webcast will also be available at http://www.dycomind.com until Thursday, September 29, 2005.

Dycom is a leading provider of specialty contracting services throughout the United States. These services include engineering, construction, maintenance and installation services to telecommunications providers, underground locating services to various utilities, including telecommunications providers, and other construction and maintenance services to electric utilities and others.

Fiscal 2005 results are preliminary and quarterly information is unaudited. This press release contains forward-looking statements as contemplated by the 1995 Private Securities Litigation Reform Act. Such statements include, but are not limited to, the Company’s expectations for revenues and earnings per share. These statements are based on management’s current expectations, estimates and projections. Forward-looking statements are subject to risks and uncertainties that may cause actual results in the future to differ materially from the results projected or implied in any forward-looking statements contained in this press release. Such risks and uncertainties include: business and economic conditions in the telecommunications industry affecting our customers, the adequacy of our insurance and other reserves and allowances for doubtful accounts, whether the carrying value of our assets may be impaired, whether recent acquisitions can be efficiently integrated into our existing operations, the impact of any future acquisitions, the anticipated outcome of other contingent events, including litigation, liquidity needs and the availability of financing, as well as other risks detailed in our filings with the Securities and Exchange Commission. We do not undertake to update forward looking statements.

—Tables Follow—

NYSE: “DY”

DYCOM INDUSTRIES, INC. AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
July 30, 2005 and July 31, 2004
Unaudited

	July 30,		July 31,
($ in 000’s)	2005		2004
ASSETS
Current Assets:
Cash and equivalents	$	83,062	$	31,383
Short-term investments		—		20,010
Accounts receivable, net		161,321		131,927
Costs and estimated earnings in excess of billings		65,559		58,175
Deferred tax assets, net		12,535		11,922
Income taxes receivable		—		6,988
Inventories		8,116		5,353
Other current assets		11,286		10,276
Total current assets		341,879		276,034
Property and equipment, net		117,145		100,353
Intangible assets, net		227,443		259,319
Deferred tax assets, net non-current		—		5,561
Other		10,242		10,568
Total	$	696,709	$	651,835
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current Liabilities:
Accounts payable	$	37,185	$	34,348
Notes and capital leases payable		2,749		4,163
Billings in excess of costs and estimated earnings		464		142
Accrued self-insured claims		28,166		22,298
Income taxes payable		6,598		—
Other accrued liabilities		43,550		41,527
Total current liabilities		118,712		102,478
Notes and capital leases payable		4,179		7,094
Accrued self-insured claims		22,652		22,473
Deferred tax liability		1,299		—
Other liabilities		57		829
Stockholders’ Equity		549,810		518,961
Total	$	696,709	$	651,835

NYSE: “DY”

DYCOM INDUSTRIES, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF OPERATIONS
Unaudited

	13 Weeks			14 Weeks		52 Weeks		53 Weeks
	Ended			Ended		Ended		Ended
	July 30,			July 31,		July 30,		July 31,
(In 000’s, except per share amounts)	2005			2004		2005		2004
Contract revenues	$	251,263		$	260,764	$	986,627	$	872,716
Cost of earned revenues		199,016			200,672		785,616		673,562
General and administrative expenses		21,886			21,224		79,727		75,356
Depreciation and amortization		11,003			11,614		46,593		42,066
Goodwill impairment charge		28,951			—		28,951		—
Total costs and expenses		260,856			233,510		940,887		790,984
Interest income/(expense), net		462			37		924		(188	)
Other income, net		6,978			929		11,970		4,277
Gain on sale of long term accounts receivable		—			—		—		11,359
Income (loss) before income taxes		(2,153	)		28,220		58,634		97,180
Provision for income taxes		10,240			11,134		34,320		38,547
Net income (loss)	$	(12,393	)	$	17,086	$	24,314	$	58,633
Earnings (loss) per common share:
Basic earnings (loss) per share	$	(0.25	)	$	0.35	$	0.50	$	1.21
Diluted earnings (loss) per share	$	(0.25	)	$	0.35	$	0.49	$	1.20
Shares used in computing earnings (loss) per common share:
Basic		48,849			48,554		48,747		48,349
Diluted		48,849			48,998		49,185		48,820

NYSE: “DY”

DYCOM INDUSTRIES, INC. AND SUBSIDIARIES
RECONCILIATION OF GAAP TO NON GAAP INFORMATION
Unaudited

	13 Weeks Ended			52 Weeks Ended
($ in 000’s except per share amounts)	July 30, 2005			July 30, 2005
Items
Goodwill impairment charge	$	(28,951	)	$	(28,951	)
GAAP net income (loss)	$	(12,393	)	$	24,314
Adjusted for item above		28,951			28,951
Non GAAP net income	$	16,558		$	53,265
Earnings (loss) per common share:
Basic earnings (loss) per share — GAAP	$	(0.25	)	$	0.50
Adjustment for items above		0.59			0.59
Basic earnings per share — Non GAAP	$	0.34		$	1.09
Diluted earnings (loss) per share — GAAP	$	(0.25	)	$	0.49
Adjustment for items above		0.59			0.59
Diluted earnings per share — Non GAAP	$	0.34		$	1.08
Shares used in computing earnings (loss) per common share:
Basic		48,849			48,747
Diluted		49,133			49,185

	14 Weeks Ended		53 Weeks Ended
	July 31, 2004		July 31, 2004
Items
Gain on sale of long term accounts receivable, net of taxes of $4,544	$	—	$	6,815
Reserve recorded in connection with a federal employment tax audit, net of taxes of $914		—		(1,386	)
	$	—	$	5,429
GAAP net income	$	17,086	$	58,633
Adjusted for items above		—		(5,429	)
Non GAAP net income	$	17,086	$	53,204
Earnings per common share:
Basic earnings per share — GAAP	$	0.35	$	1.21
Adjustment for items above		—		(0.11	)
Basic earnings per share — Non GAAP	$	0.35	$	1.10
Diluted earnings per share — GAAP	$	0.35	$	1.20
Adjustment for items above		—		(0.11	)
Diluted earnings per share — Non GAAP	$	0.35	$	1.09
Shares used in computing earnings per common share:
Basic		48,554		48,349
Diluted		48,998		48,820