Exhibit 99.1


[GRAPHIC OMITTED]


FOR IMMEDIATE RELEASE

CONTACT:
THE MANAGEMENT NETWORK GROUP, INC.  OR      BRAINERD COMMUNICATORS
Regina Whitley                              Brian Schaffer (Investors)
regina.whitley@tmng.com                     schaffer@braincomm.com
800.876.5329 x340                           Ray Yeung (Media)
                                            yeung@braincomm.com
                                            212.986.6667



                     TMNG REPORTS 2005 FIRST QUARTER RESULTS

OVERLAND PARK, KS - MAY 5, 2005 - The Management  Network Group,  Inc.  (Nasdaq:
TMNG),  a leading  provider  of  management  consulting  services  to the global
communications  industry,  today reported  financial  results for its 2005 first
quarter ended April 2, 2005.

Revenue  of $7.1  million in the first  quarter of 2005 rose by 22.4%,  compared
with revenue of $5.8 million in the first quarter of 2004. On a sequential basis
revenue  increased 14.5%,  compared with revenue of $6.2 million reported in the
fourth  quarter of 2004.  During the quarter,  gross  margin  improved to 51.5%,
compared with 48.7% in the first quarter of 2004 and 47.2% in the fourth quarter
of 2004.

TMNG  reported a net loss of $608,000,  or $0.02 per diluted share for the first
quarter of 2005,  compared with a net loss of $4.3 million, or $0.12 per diluted
share in last year's first  quarter.  The first  quarter of 2004  included a net
loss from discontinued  operations of $2.3 million,  or $0.06 per diluted share.
Loss  from  continuing  operations  during  the first  quarter  of 2004 was $2.0
million or $0.06 per diluted share.



The  company  ended  the  first  quarter  with  a  strong  cash  and  short-term
investments   position  of  $51.3   million,   virtually  no   long-term   debt,
stockholders'  equity of $66.5  million,  and working  capital of  approximately
$54.7 million.

"Our first  quarter  results  reflect the  continued  momentum that we have been
gaining since the second half of 2004. We see that positive traction  continuing
into the next quarter,"  said Rich Nespola,  TMNG Chairman and CEO. "Our company
continues  to  transform  itself  to  address  a  new  emerging   communications
marketplace   that  is  being  propelled  by  wireless  and  internet   protocol
technologies.  With our extensive  wireless and IP expertise,  and our strategic
ability  to help  clients  define  where  the  market  is  moving,  TMNG is well
positioned  to make  further  inroads in this  expanding  and  important  market
segment. Our pipeline and bookings continue to strengthen, and we remain focused
on generating  increasing  revenue over a  conservative  expense base to drive a
return to sustained profitability."

CONFERENCE CALL
TMNG will host a  conference  call at 5:00 p.m.  ET today to discuss  2005 first
quarter results.  Investors can access the conference call via a live webcast on
the company's website, www.tmng.com, or by dialing 877-297-4509. A replay of the
conference  call  will be  archived  on the  company's  website  for  one  week.
Additionally,  the archived  call can be accessed by dialing  877-519-4471,  pin
number 5983442, through May 13, 2005.

ABOUT TMNG
The  Management  Network Group,  Inc.  (Nasdaq:  TMNG) is a leading  provider of
strategy,  management,  marketing,  and operational  consulting  services to the
global communications  industry. With more than 400 consultants worldwide,  TMNG
serves communications  service providers,  technology  companies,  and financial
services firms. Since the company's inception in 1990, TMNG and its subsidiaries
- - TMNG Strategy,  TMNG Marketing,  TMNG Operations and TMNG Europe - have served
more  than   1,000   clients   worldwide,   including   all  the   Fortune   500
telecommunications  companies.  TMNG is headquartered in Overland Park,  Kansas,
with  offices  in  Boston,  Chicago,   London,  New  York,  San  Francisco,  and
Washington,  D.C.  TMNG can be  reached  at  1.888.480.TMNG  (8664) or online at
http://www.tmng.com.



THIS  RELEASE  CONTAINS  FORWARD-LOOKING  STATEMENTS  WITHIN THE  MEANING OF THE
PRIVATE  SECURITIES  LITIGATION REFORM ACT OF 1995.  FORWARD-LOOKING  STATEMENTS
INVOLVE RISKS AND UNCERTAINTIES.  IN PARTICULAR, ANY STATEMENTS CONTAINED HEREIN
REGARDING   EXPECTATIONS   WITH   RESPECT  TO  FUTURE   BUSINESS,   REVENUES  OR
PROFITABILITY  ARE  SUBJECT  TO KNOWN  AND  UNKNOWN  RISKS,  UNCERTAINTIES,  AND
CONTINGENCIES,  MANY OF WHICH ARE BEYOND THE COMPANY'S CONTROL,  WHICH MAY CAUSE
ACTUAL RESULTS,  PERFORMANCE,  OR  ACHIEVEMENTS TO DIFFER  MATERIALLY FROM THOSE
PROJECTED  OR IMPLIED IN SUCH  FORWARD-LOOKING  STATEMENTS.  FACTORS  THAT MIGHT
AFFECT ACTUAL RESULTS, PERFORMANCE, OR ACHIEVEMENTS INCLUDE, AMONG OTHER THINGS,
CONDITIONS IN THE  TELECOMMUNICATIONS  INDUSTRY,  OVERALL  ECONOMIC AND BUSINESS
CONDITIONS,  THE DEMAND FOR THE COMPANY'S SERVICES,  AND TECHNOLOGICAL  ADVANCES
AND  COMPETITIVE  FACTORS IN THE  MARKETS IN WHICH THE COMPANY  COMPETES.  THESE
RISKS AND  UNCERTAINTIES  ARE  DESCRIBED  IN DETAIL  FROM TIME TO TIME IN TMNG'S
FILINGS WITH THE SECURITIES AND EXCHANGE COMMISSION.



                     (Please see attached financial tables)






                       THE MANAGEMENT NETWORK GROUP, INC.
                 CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS
                                   (UNAUDITED)
                      (IN THOUSANDS, EXCEPT PER SHARE DATA)



                                                                  

                                                                QUARTER ENDED

                                                         April 2, 2005     April 3, 2004

Revenues                                               $        7,067   $         5,779

Cost of services:
  Direct cost of services                                       3,394             2,913
  Equity related charges                                           35                54
                                                       ---------------  ----------------
     Total                                                      3,429             2,967


Gross profit                                                    3,638             2,812

Operating expenses:
  Selling, general and administrative                           4,025             4,097
  Real estate restructuring                                        75               -
  Equity related charges                                          188               283
  Depreciation and amortization                                   282               520
                                                       ---------------  -----------------

     Total                                                      4,570             4,900
                                                       ---------------  -----------------


Loss from continuing operations                                  (932)           (2,088)

Other income, net                                                 339               127
                                                       ---------------  -----------------


Loss from continuing operations before
income tax provision                                             (593)           (1,961)


Income tax provision                                              (15)              (14)
                                                       ---------------  -----------------


Loss from continuing operations                                  (608)           (1,975)
                                                       ---------------  -----------------


Net loss from discontinued operations                             -              (2,276)

                                                       ---------------  -----------------
Net loss                                               $         (608)           (4,251)
                                                       ===============  =================

Loss from continuing operations per common share
  Basic and diluted                                    $        (0.02)  $         (0.06)
                                                       ===============  =================
Loss from discontinued operations per common share
  Basic and diluted                                               -               (0.06)
                                                       ===============  =================
Net loss per common share
  Basic and diluted                                    $        (0.02)  $         (0.12)
                                                       ===============  =================
Shares used in calculation of net loss per common
share
  Basic and diluted                                            34,977            34,503
                                                       ===============  =================






                       THE MANAGEMENT NETWORK GROUP, INC.
                      CONSOLIDATED CONDENSED BALANCE SHEETS
                                   (UNAUDITED)
                                 (IN THOUSANDS)

                                     ASSETS

                                                                   January 1,
                                             April 2, 2005            2005

CURRENT ASSETS:
  Cash and cash equivalents                    $    12,741        $    10,882
  Short-term investments                            38,550             41,300
  Receivables, net                                   7,130              6,178
  Refundable income taxes                              179                769
  Other assets                                       1,109              1,176
                                           ----------------   ----------------
     Total current assets                           59,709             60,305

GOODWILL                                            13,365             13,365

INTANGIBLES, net                                       327                487

PROPERTY & EQUIPMENT, net                            1,027                896

OTHER ASSETS                                           300                300
                                           ----------------   ----------------

TOTAL ASSETS                                   $    74,728        $    75,353
                                           ================   ================

                      LIABILITIES AND STOCKHOLDERS' EQUITY

CURRENT LIABILITIES:
  Trade accounts payable                        $      555         $      845
  Accrued liabilities and other                      4,457              4,339
                                           ----------------   ----------------
     Total current liabilities                       5,012              5,184

NONCURRENT LIABILITIES                               3,266              3,422

STOCKHOLDERS' EQUITY                                66,450             66,747
                                           ----------------   ----------------

TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY     $    74,728        $    75,353
                                           ================   ================



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