<PAGE>

                                                               Exhibit (a)(5)(D)


                                                          For Immediate Release


        Career Holdings, Inc., Commences Tender Offer For HeadHunter.NET

Reston, Va., Friday, August 31, 2001 - Career Holdings, Inc., backed by Knight
Ridder, Inc. (NYSE: KRI), and Tribune Company (NYSE: TRB) and the parent of
CareerBuilder, Inc., today said that it has commenced its previously announced
tender offer for all of the shares of common stock of HeadHunter.NET, Inc.,
(NASDAQ: HHNT) at $9.25 per share, net to the seller, in cash.

On August 24, CareerBuilder, Knight Ridder and Tribune announced plans to
acquire Headhunter.net, bringing together two of the nations leaders -
CareerBuilder and Headhunter.net - in local and national online recruitment.

The Headhunter.net tender offer is being made pursuant to an agreement and plan
of merger dated August 24. The tender offer will expire at 12:00 midnight,
Eastern time, on September 28, unless extended.

The offer is conditioned upon, among other things, there being validly tendered
and not withdrawn a number of shares that would constitute at least a majority
of the outstanding Headhunter.net shares on a fully diluted basis.

American Stock Transfer & Trust Company is the depositary for the tender offer.
Georgeson Shareholder Communications Inc. is the information agent.

                                       ###

This news release does not constitute an offer to purchase or a solicitation of
an offer to sell any securities. The complete terms and conditions of this
tender offer are set forth in an offer to purchase and related letter of
transmittal, which are included in a Tender Offer Statement being filed today
with the Securities and Exchange Commission. The offer to purchase and letter of
transmittal will be mailed to Headhunter.net shareholders. The Tender Offer
Statement (including the offer to purchase, letter of transmittal and related
documents) will also be available for free on the Commission's Web site at
http://www.sec.gov.
------------------

About CareerBuilder, Inc.

CareerBuilder is the leading provider of targeted Web recruiting. Through the
CareerBuilder Network, employers can post jobs to pinpoint exactly the right
candidates by location, industry or diversity. Job seekers can instantly search
more than 70 of the Internet's best career sites, in just a couple of clicks.
CareerBuilder also provides personalized career services and advice. The
CareerBuilder Network is the most powerful career network on the Web, including
careerbuilder.com - the flagship career center - and the career centers of
premier destination sites

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including MSN, Bloomberg.com, USA TODAY.com, iVillage.com and latimes.com,
Philly.com, chicagotribune.com and BayArea.com.

About Knight Ridder, Inc.

Knight Ridder is the nation's second-largest newspaper publisher, with products
in print and online. The company publishes 32 daily newspapers in 28 U.S.
markets, with a readership of 8.5 million daily and 12.6 million Sunday. Knight
Ridder also has investments in a variety of Internet and technology companies
and two newsprint companies. The company's Internet operation, Knight Ridder
Digital, creates and maintains a variety of online services, including Real
Cities (www.RealCities.com), a national network of city and regional destination
sites in 55 U.S. markets. Knight Ridder and Knight Ridder Digital are located in
San Jose, Calif.

About Tribune Company

Tribune is one of the country's premier media companies, operating businesses in
broadcasting, publishing and on the Internet. It reaches more than 80 percent of
U.S. households, and is the only media company with television stations,
newspapers and Web sites in the nation's top three markets.


MEDIA CONTACTS:                                INVESTOR CONTACTS:
Gary Weitman, Tribune Co.                      Ruthellyn Musil, Tribune Co
Gweitman@tribune.com                           rmusil@tribune.com
--------------------                           312/222-3787
312/222-3394 (Office)                          312/222-1573
312/222-1573 (Fax)

Cynthia Funnell, Knight Ridder Digital         Polk Laffoon, Knight Ridder, Inc
cfunnell@knightridder.com                      plaffoon@knightridder.com
-------------------------                      408/938-7838 (Office)
408/938-6076 (Office)                          408/938-7813 (Fax)
408/938-6080 (Fax)

Barry Lawrence, CareerBuilder, Inc.
Barry.Lawrence@careerbuilder.com
--------------------------------
703/259-5793 (Office)
703/259-5785  (Fax)


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