FILED BY KERR-MCGEE CORPORATION
                                                  PURSUANT TO RULE 425 UNDER THE
                                         SECURITIES ACT OF 1933 AND DEEMED FILED
                                               PURSUANT TO RULE 14A-12 UNDER THE
                                                 SECURITIES EXCHANGE ACT OF 1934

                                      SUBJECT COMPANY:  WESTPORT RESOURCES CORP.
                                              SECURITIES ACT FILE NO. 333-114886





Set forth below is a transcript  of the interim  earnings  conference  call made
today by Kerr-McGee Corporation. It contains information related t the merger of
Kerr-McGee Corporation and Westport Resources Corporation.

     Date/Time of Call:  June 23, 2004 at 10:00 a.m.

     Speaker:  Rick Buterbaugh

     Thank you, Ann Marie,  and good morning.  Today's call will update previous
estimates provided by the company and will contain  forward-looking  statements.
Please  note that  actual  results  or events  may  differ  materially  from our
expectations or projections. Information concerning factors and risks that could
cause  material  differences  is identified  in the Risk Factors  section of the
company's Annual Report on Form 10-K and other SEC filings.

     On Friday,  June 25, 2004,  Kerr-McGee and Westport  Resources will conduct
special meetings of each company's shareholders to vote on the pending merger of
the two corporations. We are confident of shareholder approval of the merger and
anticipate closing the transaction the same day.

     The  Westport  transaction  will add quality  development  and  exploration
opportunities in our U.S. core areas, increase the growth rate of our production
profile and lower the risk of the  production  profile  with the  addition of at
least  2,500  quality   development   opportunities   for  the  existing  proven
undeveloped,  probable  and  possible  resource  base.  Also,  these assets will
provide an  opportunity  for us to create value through the use of our tight-gas
development expertise in areas such as Greater Natural Buttes.


     Upon closing, Westport's operations will be consolidated with Kerr-McGee's.
Therefore,   we  expect  to  reflect  five  days  of  Westport's  activities  in
Kerr-McGee's  second-quarter  results. Since we expect to issue approximately 49
million  new shares in  connection  with this  transaction,  Kerr-McGee's  total
outstanding   shares  will   increase  to   approximately   150   million.   For
second-quarter  earnings  per share  calculations,  we expect to use a  weighted
average of  approximately  103 million shares to calculate  basic earnings and a
weighted average of 113 million shares for the diluted calculation which assumes
the conversion of Kerr-McGee's 5 1/4% convertible  debentures into approximately
10 million shares.  Keep in mind that when doing this  conversion,  you also add
back to earnings the after-tax  interest on the  convertible  debt of about $5.3
million for the quarter.


     Kerr-McGee's  balance  sheet at the end of the second  quarter will reflect
the full impact of the Westport transaction.  Therefore,  Kerr-McGee's long-term
debt  will  increase  to  reflect  the  assumption  of  the  Westport  debt  and
stockholder's  equity will reflect the new share issuance.  You should note that
Westport  did  redeem  their 6 1/2%  convertible  preferred  stock  on June  21.
Kerr-McGee  still  expects  to  achieve  a  year-end  debt-to-capital  ratio  of
approximately 42%.

     Kerr-McGee also  anticipates  issuing  long-term  senior  unsecured debt to
refinance the 8 1/4% subordinated notes of 2011 from Westport.  This transaction
is expected to be completed following the closing of the merger.

     A  joint-company  transition  team  has  been in  place  since  the  merger
announcement to coordinate the integration of Westport's  assets,  processes and
personnel into  Kerr-McGee.  We are in the process of finalizing  organizational
changes in our U.S.  onshore and Gulf of Mexico  operations  that will allow for
the most efficient management of these properties,  taking full advantage of the
expertise from each company.  We are confident that we will realize at least $40
million of synergies from this merger within one year of closing.

     In our exploration and production unit,  total production  volumes continue
to be on-track.  Our major developments projects remain on or ahead of schedule.
First production from our Red Hawk field is still expected in July and first oil
from Bohai Bay is expected in mid third  quarter.  Our  expectations  of average
daily  volumes  for the year  remain in the range of  approximately  306,000  to
323,000 barrels of equivalent.

     Second-quarter  projections  for oil  production  remain  in the  range  of
130,500 to 136,500  barrels per day.  Second-quarter  natural gas  production is
expected  in the range of 735  million - 785  million  cubic feet per day,  with
about 85% of this volume coming from the U.S. With these volumes, we believe the
range for total  production  for the  second  quarter  to be  253,000 to 267,300
barrels of equivalent per day which unchanged from the last call.

     A detailed  quarterly  breakout of expected  production volumes for 2004 by
product and by region is available on the  company's  website at  kerr-mcgee.com
under guidance and hedging information in the investor relations section.

     For the second  quarter to date,  benchmark  NYMEX prices for WTI and Brent
have averaged approximately $38.45 and $35.30 per barrel, respectively.  This is
up nearly  $3.20 per  barrel  for WTI and up nearly  $4.00 per barrel for Brent,
relative to their  first-quarter  averages.  You will recall that we have hedged
about 75% of our  projected  second-quarter  U.S.  oil volumes at an average WTI
price of $28.23  per barrel  and about 85% of our  second-quarter  North Sea oil
volumes at an average Brent price of $26.27 per barrel.

     For reference,  the NYMEX gas prices have averaged about $6.15 per millions
Btu for the second quarter to date, which is up more than $0.40 per millions Btu
versus   the   first-quarter   average.   About  80%  of  our  total   projected
second-quarter  U.S. gas volumes are hedged with fixed-price  swaps at $4.74 per
millions Btu versus the collars that were in place during the first quarter.

     The company has not added any additional  incremental hedges since the last
update. A detailed listing of outstanding oil and gas hedges for Kerr-McGee, the
hedges associated with the  Kerr-McGee/Westport  merger and Westport's  existing
hedges are  available  under  guidance and hedging  information  in the investor
relations section of Kerr-McGee's website.

     Oil and gas marketing  revenue is expected to be approximately  $85 million
dollars for the second quarter,  primarily associated with our operations in the
Rocky Mountain area.  There will also be a  corresponding  offset in marketing -
gas purchase costs, and therefore,  no significant impact on operating profit is
expected from these activities.

     Our expectation for total  production costs for the second quarter is about
$4.40 per  barrels of  equivalent.  This  includes  about $3.70 per BOE of lease
operating  expense.  Unit  leasing  operating  expense  by region on a barrel of
equivalent basis includes about $2.70 for the U.S. Onshore region,  $3.05for the
gulf and  $5.40 in the North  Sea.  For the year,  including  six  months of the
Westport  properties,  total  unit LOE is  projected  at  $3.75.  With the added
onshore  properties  from  Westport,  we  anticipate  unit  production  taxes to
increase during the second half of the year to  approximately  $1.20 per barrels
of equivalent  and average about $1.00 per barrels of equivalent  for the entire
year.

     Unit   transportation   costs  in  the  second  quarter  are  projected  at
approximately  $1.10  per  barrels  of  equivalent.  E&P G&A is  expected  to be
approximately $33 million.

     Our expectation for second-quarter  unit depreciation and depletion charges
for oil and gas  activities  remains at about $6.80 per  barrels of  equivalent.
Second-quarter accretion expense for future abandonment is estimated to be about
$7 million  dollars.  As a result of the transaction  with Westport,  Kerr-McGee
will  record  Westport's  assets  and  liabilities  at  fair  value  as  of  the
acquisition date. Consequently, the depreciation and depletion rate for E&P on a
combined  basis is projected to increase to  approximately  $8.00 per barrels of
equivalent for the second half of the year.

     Second-quarter  exploration  expense is projected to be  approximately  $60
million.  As a reminder,  Kerr-McGee  utilizes the more conservative  successful
efforts accounting method which immediately  expenses the cost of non-commercial
wells. Therefore,  the ultimate outcome of wells currently in process could have
an impact on the amount of exploration  expense reported for the quarter.  Wells
deemed as non-commercial  prior to the company filing its Form 10-Q with the SEC
could  increase the projected  expense.  Total 2004  exploration  expense is now
projected  at about $340 million  dollars  which  includes  about $70 million of
non-cash charges  associated with the  amortization of  non-producing  leasehold
costs.  Total  annual  exploration  expense  includes  the  addition of expected
Westport activity for the second half of the year.


     On the  Garden  Banks  244  prospect,  we are  currently  setting  pipe  at
approximately  22,800  feet total  vertical  depth  before  drilling  ahead to a
planned depth of approximately 25,000 feet.

     In our international  program, our second well in Brazil has now spud. This
well on the deepwater  BM-ES-9 block at the Tartaruga  Verde prospect is located
in about 8,700 feet of water and is expected  to drill to  approximately  19,000
feet to test a cretaceous objective.  Kerr-McGee participates with a 50% working
interest  in this  prospect.  Our  first  well in  Morocco  has  spud on the Rak
prospect  located in  approximately  6,400 feet of water on the Cap Draa  block.
Kerr-McGee participates in this well with an 11.25% working interest however our
dry-hole exposure is limited to $5 million dollars.

     We are also continuing an active exploitation  program. In our U.S. Onshore
region,  at the  Wattenberg  field in Colorado,  we have  performed 170 projects
since the first of the year. Of these projects 113 were new drills, 23 were well
deepenings and 34 were  recompletion  projects  including refracs and tri-fracs.
The  fifth-spot  program  is an  integral  part of our new drill  program.  As a
reminder,  each of these new wells offers the future  potential for a refrac and
tri-frac and adds to our  inventory  of  literally  thousands of projects in the
area. The Wattenberg  exploitation program is on target to complete 300 projects
in 2004. As  previously  mentioned,  additional  recovery  strategies  are being
developed  to further  enhance the value from the  Wattenberg  asset.  These are
examples  of the type of  activities  that we  expect  to  capitalize  on in the
Greater Natural Buttes area.

     In the U.K. North Sea, a three-well development drilling program around the
Gryphon field has yielded very encouraging results. As previously discussed, the
first well tested at a gross rate of 6,500 barrels of production  per day and we
have now tested the second  well at a rate of 5,200  barrels of  production  per
day. The third well in the program has reached  total depth and has  encountered
more than 800 feet of quality pay in the horizontal  section.  This well will be
tested  this week.  All three  wells will be tied back to the  Gryphon  FPSO and
first  production  is  expected  in the  third  quarter.  The  results  of  this
development  program  strongly support our decision to acquire an additional 25%
working interest in the field during 2003. Kerr-McGee operates the Gryphon field
with an 86.5% interest.

     The new waterflood redirection program for the Janice field is progressing.
This  activity  is  expected  to  result in higher  recoveries  from the  Fulmar
formation and yield higher oil rates.  Additional  development drilling is being
evaluated to fully exploit this new strategy.  If successful,  this could reduce
or eliminate capital for injection wells in this area.

     As I mentioned earlier,  each of our major developments remains on or ahead
of schedule and within  budget.  At the Gunnison  field,  production  uptime and
operating  efficiency  from the spar have exceeded  expectations  since start-up
last  December.  Six wells have been brought online  including  three subsea and
three dry-tree  completions.  Through May of this year, we have already produced
more than one million barrels of oil and 20 BCF of gas.

     One subsea well has recently been shut-in due to excessive sand production.
A semi-submersible  drilling rig has been scheduled to re-complete this well and
we expect  production to be  re-established  in the third quarter.  We have also
temporarily  suspended completion activities on one well which encountered a tar
streak.  Diagnostic work is under way to establish the exact  composition of the
tar and the required  adjustments to the completion  design and production  plan
for the well.  We are  confident in our ability to rapidly adapt and execute our
plans to address these challenges while  maintaining  strong focus on optimizing
field value.

     Remaining  dry-tree  well  completions  at  Gunnison  are  expected  to  be
concluded  by  year-end  which will result in total  production  in the range of
20-30  million  barrels of  production  per day and 140-180  MMCF/D.  Kerr-McGee
operates Gunnison with a 50% working interest.

     The Red Hawk project remains on schedule with first production  expected in
July. We have received our  certification  of  inhabitance  from the U.S.  Coast
Guard and commissioning activities continue for the world's first cell spar. The
two subsea wells are already completed and tied back to the facility. Located on
Garden  Banks 877 in 5,200  feet of water,  Red Hawk  will  become  Kerr-McGee's
deepest producing facility which we operate with a 50% working interest.  Future
activities include potentially  drilling one more well in the Red Hawk field and
exploration of nearby satellite opportunities, which would be subsea tiebacks to
the cell spar.

     Construction  of the truss  spar's  hull and  topsides  for our  100%-owned
Constitution  development remains on schedule.  Design modifications to increase
the topsides' oil  processing  capacities  from 40,000 to  approximately  70,000
barrels  per day  are  under  way to  support  the  satellite  discovery  of the
Ticonderoga field located just five miles to the south. With resources estimated
in  the  range  of 30 - 50  million  barrels  of  equivalent,  Ticonderoga  adds
significant  value  to an  already  robust  project.  Kerr-McGee  operates  this
satellite  with a 50% working  interest.  The addition of  Ticonderoga  will not
impact first  production from the  Constitution  field which is expected late in
the second quarter of 2006.

     In China, the Bohai Bay development continues ahead of schedule.  The FPSO,
called  the  Kerr-McGee  Global  Producer  VIII,  is on  location  and is  being
connected to the single-point  mooring system.  Following final commissioning of
the facilities, we expect to begin production in the next 4-6 weeks - well ahead
of schedule. Production will come from just one well initially to fully test the
facilities prior to ramping up production.

     Development  planning is ongoing for other  discoveries in Bohai Bay on the
04/36 block including the CFD 11-3, CFD 11-5 and CFD 11-6 fields,  each operated
by  Kerr-McGee  with a 40%  interest.  Development  planning is also ongoing for
three  discoveries  on the adjacent  05/36 block  including the CFD 12-1 and CFD
12-1S fields which are operated by Kerr-McGee with a 25% interest. Each of these
discoveries  is a candidate to be tied back to the  Kerr-McGee  Global  Producer
VIII  facility.  The Bohai Bay area continues to enhance value and become a core
play for Kerr-McGee.

     Development  planning for our recent North Sea discoveries at James,  Donan
and Affleck are each  progressing.  James is being developed as a subsea tieback
to our Janice facility with first  production  expected in early 2005. First oil
from Donan and Affleck are expected in mid 2006.

     Today I would also like to update you on activities at several of our other
major fields.  Although  these  projects have been online for several years they
still  add  significant  value  and  provide  additional  opportunities  for our
company.

     The Neptune field has been on line since March, 1997 from the world's first
production  spar located on Viosca  Knoll block 826 in 1,950 feet of water.  The
field and its  satellites  have now  produced  46 million  barrels of oil and 65
billion cubic feet of natural gas totaling 56 barrels of  equivalent  excuse me,
56  million  barrels  of  equivalent.  Production  from  the  spar is  presently
averaging  about  11,000  barrels  of oil per day and 50  million  cubic feet of
natural gas per day. The  production  is derived  from 11 dry-tree  wells on the
spar and four subsea wells.

     The Neptune field continues to surpass our  expectations  for  performance.
The original  project was sanctioned in October,  1994 on a gross proven reserve
base of 35 million  barrels  of  equivalent  and a gross  proven  plus  probable
resource base of more than 60 million barrels of equivalent. Following the phase
I development drilling, the addition of the Viosca Knoll 825 wells, the phase II
development  drilling,  production  performance,  and now the  Viosca  Knoll 869
satellites,  we are now  expecting  to produce  more than 85 million  barrels of
equivalent of gross proven and probable  resources,  a 40% increase from initial
expectations.

     The value of the Neptune facility continues to be enhanced with the pending
addition of  third-party  processing  revenues from the  Swordfish  development.
Partners  in the  Swordfish  field have  announced  that they will  utilize  the
Neptune  spar  as the  processing  hub for  their  approved  development.  First
production  from  Swordfish is expected  across Neptune during the first half of
2005. We also continue to have satellite  development  opportunities  around the
field. We will spud the Viosca Knoll 869 #2 well, a potential subsea development
well to the Neptune spar, in the third quarter.

     The Nansen  field has been on line  since  January,  2002 from the  world's
first  truss  spar  located  on East  Breaks  block 602 in 3,700  feet of water.
Kerr-McGee  operates this field and the Nansen area with a 50% working interest.
The Nansen field and its Navajo  satellites have now produced 22 million barrels
of oil and 135 billion cubic feet of natural gas totaling 45 million  barrels of
equivalent.  Payout  from the  project has  already  been  achieved.  Production
through  the  spar is  averaging  about  30,000  barrels  of oil per day and 165
million  cubic feet of natural gas per day. The  production is derived from nine
Nansen  dry-tree  wells on the spar and six subsea wells of which three  produce
the Nansen field and three produce the Navajo satellites.

     The Nansen field has surpassed all of our expectations for performance. The
original  project was sanctioned in June, 2000 on a gross proven reserve base of
55 million  barrels of equivalent  and a gross proven plus probable  resource of
approximately  120 million  barrels of  equivalent.  Following  the  development
drilling,  the addition of the Navajo  satellites,  and better than  anticipated
production performance we are now expecting to produce more than 200 million BOE
of gross proven and probable resources.

     Operations uptime and efficiency have exceeded expectations with the Nansen
spar and well  availability  is exceeding 97%.  Individual  wells and reservoirs
have generally performed well above expectations with some  compartmentalization
seen in a few of the  reservoirs.  Development  drilling  plans were  altered to
overcome the compartmentalization and have proven successful.

     Upcoming activities in the Nansen field area include planned  recompletions
of several of the dry-tree wells and of one the Navajo subsea wells.  Additional
satellite  drilling is under  evaluation as spar  capacity and field  operations
allow.

     The  Boomvang  field has been on line  since  June,  2002 from a truss spar
located on East Breaks block 643 in 3,650 feet of water. The truss spar produces
the North Boomvang field with five dry-tree wells,  the East Boomvang field with
three  subsea  wells,  and the West  Boomvang  field area with one subsea  well.
Kerr-McGee  operates the area and holds a 30% interest in most of the wells. The
area has produced more than 18 million  barrels of oil and more than 100 billion
cubic feet of natural gas totaling about 35 million barrels of equivalent  since
inception and payout has occurred.  The current  production rate is about 30,000
barrels of production per day and 98 million cubic feet per day.  Recently,  the
East Breaks 688 #8 subsea well did experience a failure on the subsurface safety
valve. The well was shut-in in accordance with Kerr-McGee's environmental policy
until the valve can be repaired, which is expected in early July. Gas production
from this well is expected to be restored at 35 million  cubic feet per day when
the valve is repaired.

     The Boomvang area has also  surpassed our  performance  expectations  since
sanctioning.  Our  current  expectations  are for nearly 80  million  barrels of
equivalent gross proven and probable resources.  Reservoir performance on a well
by well basis has met expectations  except in the West Boomvang area where early
water breakthrough in the East Breaks 642 #1 well and 686 #2 wells occurred. The
East Breaks 642 #1 well was  sidetracked  up-dip and the well's  production  has
been  re-established  at 20 million cubic feet per day.  Remedial  action on the
East Breaks 686 #2 well is not justified at this time.

     Operations  availability  of the spar and dry-tree  wells has exceeded 97%.
The Boomvang spar has been recognized by a major  co-venturer as one of the most
efficient and dependable producing platforms in their deepwater portfolio.

     The future plans for the Boomvang area include a recompletion of one of the
East Boomvang wells,  subsea tiebacks of two additional  satellite wells located
in East  Breaks  blocks  598 and 599  north of the  platform  during  the  third
quarter,  as well as the  evaluation  of other  satellite  opportunities  in the
2004-2005 timeframe as space and capacity are available.

     Projects such as Neptune,  Nansen and Boomvang are just several examples of
the quality and flexibility of Kerr-McGee's production and exploitation programs
which have  enabled us to  continue  to achieve  our goals and  deliver  results
within  our  guidance   ranges.   We  are  very  excited  about  the  additional
opportunities that will come as a result of our merger with Westport  Resources.
We are confident that the added breadth, depth and balance that these properties
bring to Kerr-McGee will further enhance our exploration and production program.

     In our chemical  unit,  we are  continuing  to see evidence of an improving
market for titanium  dioxide pigment.  Previously  announced price increases for
TiO2 sales in the Americas and Southeast Asia are  solidifying  and demand is in
line with our seasonal  expectations.  Favorable weather conditions  continue to
help the architectural  coatings market and sales to plastics  manufacturers are
also improving.  Greater demand for pigment,  particularly for  chloride-process
product, has kept our plant utilization rates above 90%. However, the markets in
Europe and for many  sulfate-based  products continue to be soft relative to the
other  markets.  As a  result  of  these  generally  improving  trends,  we  are
increasing  our  guidance  for  second-quarter  operating  profit from our total
chemical activities into the range of $11 - $13 million dollars.


     Commissioning of our recently installed high-productivity oxidation line at
our chloride-process pigment plant in Savannah, GA continues. We are on track to
complete these activities by year-end. If this process proves successful,  it is
expected to have a notable  impact on reducing the  operating  complexity of our
plants.

     The  corporate  portion of general and  administrative  and other costs are
expected to be about $30 million on a pre-tax basis in the second quarter. These
amounts  exclude  the  impact  of  gains  or  losses  on  foreign  currency  and
derivatives,  which can not be determined  prior to quarter-end.  Loss on equity
investments is expected to be about $8 million dollars. Net interest expense for
the quarter is expected at about $54 million dollars.

     A replay of this call will be available  temporarily  through the company's
website and can be accessed at  kerr-mcgee.com.  Actual  second-quarter  results
will be released on July 28, 2004,  and we will host a conference  call at 11:00
a.m. eastern that same day. Details about this and future interim calls, as well
as  information  on upcoming  presentations  by members of the company's  senior
management team, will be posted on the company's website.

     Thank you for your time and  interest  in  Kerr-McGee  this  morning.  This
concludes our call.


                           IMPORTANT LEGAL INFORMATION

THIS  CONFERENCE  CALL IS NOT AN  OFFER  TO SELL THE  SECURITIES  OF  KERR-MCGEE
CORPORATION AND IT IS NOT SOLICITING AN OFFER TO BUY THESE SECURITIES.

     INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE DEFINITIVE JOINT PROXY
     STATEMENT/PROSPECTUS REGARDING THE PROPOSED TRANSACTION BECAUSE IT CONTAINS
     IMPORTANT INFORMATION.

     Kerr-McGee  Corporation  has filed a  Registration  Statement on Form S-4/A
with the U.S.  Securities and Exchange  Commission (SEC) containing a definitive
joint proxy  statement/prospectus  regarding  the proposed  transaction  between
Kerr-McGee  Corporation  and  Westport  Resources  Corporation.   Investors  and
security  holders  may  obtain  a  free  copy  of  the  definitive  joint  proxy
statement/prospectus  and other  documents  filed or furnished by  Kerr-McGee or
Westport  with  the  SEC  at  the  SEC's  website,  www.sec.gov.  Copies  of the
definitive  joint  proxy  statement/prospectus  and  other  documents  filed  or
furnished by Kerr-McGee or Westport may also be obtained for free by directing a
request to Kerr-McGee  Corporation,  Attn: Corporate Secretary,  P.O. Box 25861,
Oklahoma  City,  Oklahoma  73125 or to  Westport  Resources  Corporation,  Attn:
Investor Relations, 1670 Broadway, Suite 2800, Denver, Colorado 80202.

     Kerr-McGee,  Westport and their  respective  directors  and officers may be
deemed to be  participants  in the  solicitation  of proxies with respect to the
proposed transaction  involving Kerr-McGee and Westport.  Information  regarding
Kerr-McGee's and Westport's  respective directors and officers and a description
of their direct and indirect  interests,  by security holdings or otherwise,  is
available in the definitive  joint proxy  statement/prospectus  contained in the
above referenced  Registration Statement on Form S-4/A filed with the SEC on May
18, 2004.