POTASH CORPORATION OF SASKATCHEWAN INC
10-Q, 1996-05-14
MINING & QUARRYING OF NONMETALLIC MINERALS (NO FUELS)
Previous: FIRST PATRIOT BANKSHARES CORP, 10-Q, 1996-05-14
Next: ATEL CASH DISTRIBUTION FUND III LP, 10-Q, 1996-05-14



<PAGE>   1
 
- - --------------------------------------------------------------------------------
- - --------------------------------------------------------------------------------
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                   FORM 10-Q
 
<TABLE>
<S>  <C>                                                                 <C>

/X/  QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF
     THE SECURITIES EXCHANGE ACT OF 1934

                FOR THE QUARTERLY PERIOD ENDED MARCH 31, 1996
OR

/ /  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF
     THE SECURITIES EXCHANGE ACT OF 1934
     COMMISSION FILE NUMBER 1-10351

                   POTASH CORPORATION OF SASKATCHEWAN INC.
            (Exact name of registrant as specified in its charter)

       Saskatchewan, Canada                               N/A
 (State or other jurisdiction of                    (I.R.S. Employer
  incorporation or organization)                  Identification No.)

      122 - 1st Avenue South
     Saskatoon, Saskatchewan                            S7K 7G3
 (Address of principal executive                       (Zip Code)
              offices)
</TABLE>
 
                                  306-933-8500
              (Registrant's telephone number, including area code)
 
Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Sections 13 or 15(d) of the Securities Exchange Act of 1934
during the preceding 12 months (or for such shorter period that the registrant
was required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days. Yes /X/ No / /
 
                     APPLICABLE ONLY TO CORPORATE ISSUERS:
 
Indicate the number of shares outstanding of each of the issuer's classes of
common stock, as of the latest practicable date. As at April 30, 1996 45,540,656
Shares.
 
- - --------------------------------------------------------------------------------
- - --------------------------------------------------------------------------------
<PAGE>   2
 
PART I.  FINANCIAL INFORMATION
 
ITEM 1.  FINANCIAL STATEMENTS
 
     These interim consolidated financial statements do not include all
disclosure normally provided in annual financial statements. In management's
opinion, the unaudited financial information includes all adjustments
(consisting solely of normal recurring adjustments) necessary to present fairly
such information. Interim results are not necessarily indicative of the results
expected for the fiscal year.
 
                    POTASH CORPORATION OF SASKATCHEWAN INC.
            CONSOLIDATED STATEMENTS OF INCOME AND RETAINED EARNINGS
                         (IN THOUSANDS OF U.S. DOLLARS)
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                          THREE MONTHS ENDED
                                                                               MARCH 31
                                                                         ---------------------
                                                                           1996         1995
                                                                         --------     --------
<S>                                                                      <C>          <C>
Net sales............................................................    $366,871     $135,977
Cost of goods sold...................................................     256,071       62,978
                                                                         --------     --------
Gross Margin.........................................................     110,800       72,999
                                                                         --------     --------
Research and development.............................................         257          347
Selling and administrative expenses..................................      14,717        9,131
Provincial mining and other taxes....................................      11,920       12,278
Other income.........................................................      (3,216)      (1,351)
                                                                         --------     --------
                                                                           23,678       20,405
                                                                         --------     --------
Operating Income.....................................................      87,122       52,594
Interest Expense.....................................................      13,842           77
                                                                         --------     --------
Income Before Income Taxes...........................................      73,280       52,517
Income Taxes.........................................................       9,602        1,042
                                                                         --------     --------
Net Income...........................................................      63,678       51,475
Retained Earnings, Beginning of Period...............................     277,689      164,037
Dividends............................................................     (11,757)     (10,673)
                                                                         --------     --------
Retained Earnings, End of Period.....................................    $329,610     $204,839
                                                                         ========     ========
Net Income Per Share (Note 3)........................................       $1.40        $1.20
                                                                         ========     ========
Dividends Per Share (Note 4).........................................        $.26         $.25
                                                                         ========     ========
</TABLE>
 
              (See Notes to the Consolidated Financial Statements)
 
                                        2
<PAGE>   3
 
                    POTASH CORPORATION OF SASKATCHEWAN INC.
                 CONSOLIDATED STATEMENTS OF FINANCIAL POSITION
                         (IN THOUSANDS OF U.S. DOLLARS)
 
<TABLE>
<CAPTION>
                                                                       MARCH 31,       DECEMBER
                                                                         1996          31, 1995
                                                                      -----------     -----------
<S>                                                                   <C>             <C>
                                                                      (UNAUDITED)
ASSETS
Current Assets
  Cash and short-term deposits....................................     $       --      $   40,497
  Accounts receivable.............................................        199,056         223,377
  Inventories (Note 2)............................................        235,380         221,911
  Prepaid expenses................................................         17,740          12,041
  Other current assets............................................          8,509           3,315
                                                                       ----------      ----------
                                                                          460,685         501,141
Property, plant and equipment.....................................      2,016,607       2,032,339
Other assets......................................................         47,807          48,337
                                                                       ----------      ----------
                                                                       $2,525,099      $2,581,817
                                                                       ==========      ==========
LIABILITIES
Current Liabilities
  Bank indebtedness...............................................     $    3,280      $       --
  Accounts payable and accrued charges............................        174,860         199,222
  Current portion of long-term debt...............................         70,755         164,971
  Current obligations under capital leases........................            871             870
                                                                       ----------      ----------
                                                                          249,766         365,063
Long-term debt....................................................        711,565         711,585
Obligations under capital leases..................................          2,852           2,913
Deferred income tax liability.....................................          9,191           4,743
Accrued post-retirement/post-employment benefits..................         91,313          89,570
Accrued reclamation costs.........................................        153,057         151,531
Other non-current liabilities and deferred credits................         11,782          14,537
                                                                       ----------      ----------
                                                                        1,229,526       1,339,942
                                                                       ----------      ----------
Shareholders' Equity
Share Capital.....................................................        629,477         627,700
Contributed Surplus...............................................        336,486         336,486
Retained Earnings.................................................        329,610         277,689
                                                                       ----------      ----------
                                                                        1,295,573       1,241,875
                                                                       ----------      ----------
                                                                       $2,525,099      $2,581,817
                                                                       ==========      ==========
</TABLE>
 
              (See Notes to the Consolidated Financial Statements)
 
                                        3
<PAGE>   4
 
                    POTASH CORPORATION OF SASKATCHEWAN INC.
                      CONSOLIDATED STATEMENTS OF CASH FLOW
                          (IN THOUSANDS OF US DOLLARS)
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                         THREE MONTHS ENDED
                                                                              MARCH 31
                                                                       -----------------------
                                                                         1996          1995
                                                                       ---------     ---------
<S>                                                                    <C>           <C>
OPERATING ACTIVITIES
Working capital from operations
  Net income.......................................................    $  63,678     $  51,475
  Depreciation and amortization....................................       23,300        13,456
  Loss (Gain) on disposal of property, plant and equipment.........           69            (1)
  Provision for deferred income taxes..............................        4,448            --
  Provision for post-retirement/post-employment benefit............        1,743            --
                                                                       ---------     ---------
                                                                          93,238        64,930
Changes in non-cash operating working capital
  Accounts receivable..............................................       24,321       (10,619)
  Inventories......................................................      (12,429)        3,683
  Prepaid expenses.................................................       (5,699)        4,189
  Other current assets.............................................       (5,194)           --
  Accounts payable and accrued charges.............................      (24,362)        8,794
Accrued reclamation costs..........................................        1,524            --
Other non-current liabilities and deferred credits.................       (2,755)           --
                                                                       ---------     ---------
Cash provided by operating activities..............................       68,644        70,977
                                                                       ---------     ---------
Investing Activities
  Additions to property, plant and equipment
  -- Sustaining operations.........................................       (8,384)       (2,026)
  Proceeds on disposal of property, plant and equipment............          324            27
  Additions to other assets........................................          (85)       (2,824)
                                                                       ---------     ---------
Cash used in investing activities..................................       (8,145)       (4,823)
                                                                       ---------     ---------
Cash before financing activities...................................       60,499        66,154
                                                                       ---------     ---------
Financing Activities
  Repayment of long-term obligations...............................      (94,296)           (6)
  Dividends........................................................      (11,757)      (10,673)
  Issuance of shares...............................................        1,777           325
                                                                       ---------     ---------
Cash used in financing activities..................................     (104,276)      (10,354)
                                                                       ---------     ---------
(Decrease) Increase in Cash........................................      (43,777)       55,800
Cash, Beginning of Period..........................................       40,497        16,576
                                                                       ---------     ---------
(Bank Indebtedness) Cash, End of Period............................    $  (3,280)    $  72,376
                                                                       =========     =========
Supplemental cash flow disclosure
  Interest paid....................................................    $  14,612     $       6
                                                                       =========     =========
  Income taxes paid................................................    $  20,164     $   2,432
                                                                       =========     =========
</TABLE>
 
              (See Notes to the Consolidated Financial Statements)
 
                                        4
<PAGE>   5
 
                    POTASH CORPORATION OF SASKATCHEWAN INC.
                 NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS
                         (IN THOUSANDS OF U.S. DOLLARS)
                                  (UNAUDITED)
 
1.   SIGNIFICANT ACCOUNTING POLICIES
 
     The Company's accounting policies are in accordance with accounting
principles generally accepted in Canada. These policies are consistent with
accounting principles generally accepted in the United States except as outlined
in Note 5.
 
BASIS OF PRESENTATION
 
     The consolidated financial statements include the accounts of PCS and its
operating subsidiaries (the "Company" except to the extent the context otherwise
requires):
 
     -- PCS Sales (Canada) Inc. (PCS Sales)
 
       -- PCS Sales (Iowa), Inc.
 
       -- PCS Sales (Indiana), Inc.
 
       -- Potash Corporation of Saskatchewan (Florida) Inc. (PCS Florida)
 
     -- Potash Corporation of Saskatchewan Transport Limited (PCS Transport)
 
     -- PCS Sales (USA), Inc.
 
     -- PCS Phosphate Company Inc. (PCS Phosphate)
 
     -- White Springs Agricultural Chemicals, Inc. (White Springs)
 
2.   INVENTORIES
 
<TABLE>
<CAPTION>
                                                                        MARCH       DECEMBER 31,
                                                                       31, 1996         1995
                                                                       --------     ------------
<S>                                                                    <C>          <C>
Finished product...................................................    $118,482       $115,491
Materials and supplies.............................................      80,614         66,708
Raw materials......................................................       8,988         11,954
Work in process....................................................      27,296         27,758
                                                                       --------       --------
                                                                       $235,380       $221,911
                                                                       ========       ========
</TABLE>
 
3.   EARNINGS PER SHARE
 
     Earnings per share are calculated on the weighted average shares issued and
outstanding during the three months ended March 31, 1996 of 45,484,000 (1995 --
42,995,000).
 
4.   DIVIDENDS
 
     The Company declares its dividends in Canadian dollars.
 
5.   UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES
 
     A description of the accounting principles which differ significantly in
certain respects from generally accepted accounting principles in the United
States (US GAAP) follows:
 
     Earnings per share: In computing primary earnings per share, under US GAAP,
the stock options are included in the calculation to the extent that they are
exercisable.
 
     Deferred income taxes: Deferred tax assets have been recognized only to the
extent of reducing deferred tax liabilities. US GAAP would require that deferred
tax assets be recorded when their realization is more likely than not.
 
                                        5
<PAGE>   6
 
     The application of US GAAP, as described above, would have had the
following approximate effects on net income, net income per share, total assets
and shareholders' equity:
 
<TABLE>
<CAPTION>
                                                                       THREE MONTHS ENDED
                                                                            MARCH 31
                                                                    -------------------------
                                                                       1996           1995
                                                                    ----------     ----------
<S>                                                                 <C>            <C>
Net income as reported in the consolidated statements of income
  and retained earnings.........................................    $   63,678     $   51,475
Item decreasing reported net income
  Deferred income taxes.........................................        (3,227)            --
                                                                    ----------     ----------
Approximate net income -- US GAAP...............................    $   60,451     $   51,475
                                                                    ==========     ==========
Weighted average shares outstanding -- US GAAP..................    45,976,000     43,093,000
                                                                    ==========     ==========
Net income per share -- US GAAP.................................    $     1.31     $     1.19
                                                                    ==========     ==========
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                    DECEMBER
                                                                    MARCH 31,         31,
                                                                       1996           1995
                                                                    ----------     ----------
<S>                                                                 <C>            <C>
Total assets as reported in the consolidated statements of
  financial position............................................    $2,525,099     $2,581,817
Item increasing reported total assets
  Deferred income tax asset.....................................        15,371         18,598
                                                                    ----------     ----------
Approximate total assets -- US GAAP.............................    $2,540,470     $2,600,415
                                                                    ==========     ==========
Shareholders' equity as reported in the consolidated statements
  of financial position.........................................    $1,295,573     $1,241,875
Item increasing reported shareholders' equity
  Deferred income taxes.........................................        15,371         18,598
                                                                    ----------     ----------
Approximate shareholders' equity -- US GAAP.....................    $1,310,944     $1,260,473
                                                                    ==========     ==========
</TABLE>
 
6.   COMPARATIVE FIGURES
 
     Certain of the prior period's comparative figures have been reclassified to
conform with the current period's presentation. Results for the first quarter of
1995 do not include the operations of PCS Phosphate (formerly Texasgulf Inc.)
acquired April 10, 1995 or the operations of White Springs acquired October 31,
1995.
 
ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
         OF OPERATIONS
 
RESULTS OF OPERATIONS
 
OVERVIEW
 
     When comparing the first quarter of 1996 to the first quarter of 1995 there
are two primary factors to consider. 1995 was a record first quarter in potash
during which the Company earned 32 percent of its net earnings compared to the
five year average of 14 percent for the years 1990 to 1994. In addition, the
Company did not own its phosphate operations one year ago so there are no prior
period results of the Company with which to compare.
 
     Net sales and net income for the three months ended March 31, 1996 improved
170 percent and 24 percent, respectively, over the same period in 1995. Net
income for the first quarter of 1996 was $63.7 million (1995 -- $51.5 million)
on net sales of $366.9 million (1995 -- $136.0 million), or $1.40 per share
(1995 -- $1.20 per share). For the first quarter of 1996, gross margin and
operating income were $110.8 million and $87.1 million, respectively, compared
to a gross margin of $73.0 million and an operating income of $52.6 million for
the same period in 1995 (increases of 52 percent and 66 percent, respectively).
 
                                        6
<PAGE>   7
 
     For the three months ended March 31, 1996, North American and offshore net
sales were $230.9 million (1995 -- $44.1 million) and $136.0 million (1995 --
$91.9 million), respectively. North American net sales represented 63 percent
(1995 -- 32 percent) of total net sales, whereas offshore sales represented 37
percent of net sales (1995 -- 68 percent).
 
     Gross margins for the first three months of 1996 increased $37.8 million or
52 percent over the same period in 1995. Potash and phosphate contributed
equally to earnings. Gross margin for potash was $55.1 million, a decrease of
$17.9 million when compared to first quarter 1995, the highest quarter for sales
volumes in the Company's history. This decrease was more than offset by a gross
margin of $55.7 million for phosphate, feed and ammonia. Of this $55.7 million
gross margin, 62 percent is attributable to phosphate fertilizer products, 23
percent is attributable to feed products, 13 percent is attributable to
industrial products and 2 percent is attributable to ammonia.
 
     The $230.9 million increase in net sales is comprised as follows:
 
<TABLE>
<CAPTION>
                                                                           ($MILLIONS)
                                                                           -----------
          <S>                                                              <C>
          POTASH.........................................................    $ (32.1)
          PHOSPHATES
          Phosphate Rock.................................................        3.3
          Phosphate Fertilizer...........................................      150.2
          Non-fertilizer Products........................................       70.6
          AMMONIA........................................................       38.9
                                                                             -------
          Total Increase in Sales Revenue................................    $ 230.9
                                                                             =======
</TABLE>
 
     The increase in net income of $12.2 million is largely attributable to
additional earnings from the phosphate acquisitions which were offset by an
increase in interest expense of $13.8 million relating to debt financing of
$878.8 million incurred to purchase PCS Phosphate and White Springs, and an $8.6
million increase in income taxes.
 
1996 VERSUS 1995
 
OVERALL REVENUE
 
     Net sales revenue for the first quarter of 1996 was $366.9 million, an
increase of $230.9 million or 170 percent over the first three months of 1995.
Potash, phosphate and ammonia revenue for the first quarter of 1996 was $103.9
million, $224.1 million, and $38.9 million, respectively.
 
POTASH REVENUE
 
     Potash net sales revenue for the first three months of 1996 decreased by
$32.1 million or 24 percent as compared to the first three months of 1995 (1996
- - -- $103.9 million; 1995 -- $136.0 million). In the first quarter of 1995, large
potash purchases by China and Brazil were supplemented by strong pre-season
buying in the U.S. While the first quarter of 1996 volumes were less than those
of the first quarter of 1995 they were the second highest first quarter volumes
in the Company's history and well above the five-year average. As a result, the
Company sold 1.457 million tonnes of potash in this year's first quarter,
compared to a record 1.944 million tonnes sold in the same period last year, a
decrease of .487 million tonnes or 25 percent. Potash prices experienced an
overall increase of 2 percent in the first quarter of 1996 as compared to the
first quarter of 1995. The overall decrease in potash volumes of 25 percent
resulted in a $33.8 million decrease in potash net sales revenue, while the 2
percent increase in overall potash prices resulted in a $1.7 million improvement
in potash net sales revenue.
 
     In the first quarter of 1996, North American and offshore potash sales
volumes decreased 17 percent and 30 percent, respectively, over the same period
in 1995. Potash prices increased 5 percent in the offshore market where
customers agreed in February to a $5 increase. Price increases scheduled by the
Company for
 
                                        7
<PAGE>   8
 
the domestic market were not attained and, as a result, realizations in this
market were down by 1 percent from the first quarter a year ago.
 
     The decrease in North American potash sales volumes and prices resulted in
a $7.9 million decrease in North American potash net sales revenue. North
American potash sales volumes for the first quarter of 1996 decreased .119
million tonnes (1996 -- .589 million tonnes; 1995 -- .708 million tonnes)
compared to the first quarter of 1995. North American sales revenue from potash
operations represented 35 percent of the potash net sales revenue of the Company
during this year's first quarter. Strong pre-season buying in the United States
boosted last year's first quarter volumes and revenues to record levels. In 1995
field work began early, compared to the slow start to this year's spring season
due to weather.
 
     The decrease in offshore sales volumes and the increase in overall offshore
selling price resulted in a $24.2 million decrease in offshore potash net sales
revenue. In the offshore market, the Company sold .868 million potash tonnes
during the first quarter (1995 -- 1.236 million tonnes), a decrease of 30
percent. Of the .868 million tonnes, .723 million tonnes were sold through
Canpotex and the remaining .145 million tonnes were produced by PCS New
Brunswick and sold and delivered to offshore markets, such as Brazil and Europe,
by PCS Sales. Canpotex delivered nearly 500,000 tonnes of potash to China
compared to 700,000 in the same period a year ago. In the first quarter of 1996,
offshore net sales revenue from potash operations represented 65 percent of net
potash sales revenue of the Company.
 
     In the first quarter of 1995, the Company sold more than twice as much
tonnage to the offshore market as it did in 1994. First quarter 1996 offshore
volumes were less than 1995 but were still the second highest quarter sales
volumes in the Company's history and 76 percent above the average of the five
year period 1990 to 1994. Cold weather throughout the northern hemisphere has
slowed spring plantings in the first quarter of 1996, which affected shipments.
 
PHOSPHATE REVENUE
 
     Phosphate net sales revenue for the three months ended March 31, 1996 was
$224.1 million. The distribution of this revenue was as follows: phosphate
fertilizer $150.2 million (67 percent); non-fertilizer products (animal feed and
industrial products) $70.6 million (32 percent); and phosphate rock $3.3 million
(1 percent). Gross margin for phosphate revenues was $54.6 million.
 
     First quarter net sales revenue from liquid and solid fertilizers was
$150.2 million with sales volumes of .716 million tonnes. Solid phosphate
fertilizer (substantially all DAP) accounted for 61 percent or $91.2 million of
the total. Offshore sales of DAP accounted for 47 percent of solid fertilizer
net sales revenue while liquid fertilizers had a 72 percent share of net sales
revenue in the North American market. The average net sales price for these
fertilizers continued to improve throughout the first three months of 1996 when
compared to the fourth quarter of 1995.
 
     Net sales from animal feed and industrial products during the first quarter
were $70.6 million with sales volumes of .275 million tonnes. Feed sales tonnage
was .210 million tonnes with 12 percent sold offshore while the remaining .065
million tonnes were industrial products sold to North American customers. When
compared to the fourth quarter of 1995, feed product prices continued to improve
while industrial product prices declined 2 percent.
 
     Net sales revenue from phosphate rock was $3.3 million with sales volumes
of .081 million tonnes. The average net sales price improved throughout the
first quarter of 1996 when compared to the fourth quarter of 1995.
 
     North American phosphate net sales revenue accounted for $155.8 million (70
percent) of total phosphate net sales revenue of $224.1 million. In the three
months ended March 31, 1996, 58 percent of the Company's North American
phosphate net sales revenue was earned from phosphate fertilizer products which
represented 62 percent of the Company's North American phosphate sales volumes.
 
     PhosChem, a phosphate export association established under U.S. law, is the
principal vehicle through which the Company executes offshore marketing and
sales for its phosphate fertilizers. Offshore sales
 
                                        8
<PAGE>   9
 
accounted for 30 percent of total phosphate product net sales revenue in 1996
and 39 percent of volumes. In the three months ended March 31, 1996, 87 percent
of the Company's offshore phosphate net sales revenue was earned from phosphate
fertilizer products which represented 74 percent of the Company's offshore
phosphate sales volumes.
 
AMMONIA REVENUE
 
     First quarter ammonia sales contributed $38.9 million to sales revenue with
sales volumes of .187 million tonnes.
 
COST OF GOODS SOLD
 
     For the three months ended March 31, 1996, the Company produced 1.699
million potassium chloride (KCl) tonnes, compared to 1.886 million tonnes in the
first quarter of 1995, a decrease of .187 million tonnes (10 percent) compared
to 1995 but still 53 percent above the 1994 first quarter level.
 
     In this year's first quarter, the Company produced .514 million phosphoric
acid (P205) tonnes from its phosphate operations.
 
     Potash unit cost of sales increased by 3 percent in the first three months
of 1996 compared to the same period in 1995 due to two additional shutdown
weeks.
 
     The cold winter contributed to additional potash and phosphate operation
costs.
 
     Depreciation expense for the first quarter of 1996 was $23.3 million
compared to $13.5 million in 1995, an increase of 73 percent. The increase is a
result of the additional depreciation from the acquired phosphate operations.
 
SELLING AND ADMINISTRATIVE
 
     Selling and administrative expenses during the first quarter of 1996 were
$14.7 million as compared to $9.1 million in 1995, an increase of $5.6 million.
The increase is attributable to the acquisitions of PCS Phosphate and White
Springs and to general increases in supplies, compensation and benefits.
 
PROVINCIAL MINING AND OTHER TAXES
 
     Saskatchewan's potash production tax is comprised of a base tax per tonne
of product sold and an additional tax based on mine-by-mine profits. The New
Brunswick division and the Saskatchewan divisions pay a provincial crown
royalty, which is accounted for under cost of goods sold.
 
     Increased profitability at certain of the mines increased the taxes paid to
the Saskatchewan government but taxes were reduced by lower potash sales
volumes. For the first quarter of 1996, Saskatchewan provincial mining and other
taxes were $11.9 million as compared to $12.3 million in the first quarter of
1995, a decrease of 3 percent. Potash production tax for the first quarter of
1996 was $8.5 million compared to $7.8 million in the same period in 1995, an
increase of 9 percent. The increase is explained by the Allan and Rocanville
mines having been joined by Esterhazy mine in incurring the profits tax as well
as by increased profitability on a per tonne basis. Saskatchewan capital tax was
$3.6 million in the three months ended March 31, 1996 compared to $4.5 million
in the prior comparable period, a decrease of 20 percent.
 
INTEREST EXPENSE
 
     For the first quarter of 1996, interest expense was $13.8 million. The
increase in interest expense is the result of the debt incurred to finance the
phosphate acquisitions. The Company had virtually no debt in the first quarter
of 1995.
 
                                        9
<PAGE>   10
 
INCOME TAXES
 
     Income taxes in the first quarter of 1996 were $9.6 million, compared to
$1.0 million in the same period of 1995, an increase of $8.6 million. The
increase is largely attributable to US withholding taxes, alternative minimum
taxes and deferred income taxes relating to the Company's acquired phosphate
operations. The tax rate applicable to the U.S. operations for 1996 is
approximately 26 percent of income before taxes. This rate for 1995 was
approximately 24 percent of income before taxes.
 
ANALYSIS OF FINANCIAL CONDITION AND CASH FLOW
 
     Working capital for the first quarter 1996 increased by $74.8 million. Cash
flow from operations was $68.6 million. Quick and current ratios were .80 and
1.84 at March 31, 1996. The Company paid down its debt by $94.3 million (of
which $36.0 million was voluntary) and paid dividends of $11.8 million. At the
end of the quarter, the debt to capital ratio was at 38 percent and the interest
coverage ratio was 6.3 to 1. The net debt to market capitalization at March 31,
1996 was 28 percent.
 
OUTLOOK
 
     The statements in this "Management Discussion and Analysis", including
those in this "Outlook" section relating to the period after March 31, 1996, are
forward-looking statements subject to uncertainties. The Company's financial
performance continues to be affected by price, worldwide state of supply and
demand for potash and phosphate products, application rates, government
assistance programs, weather conditions, exchange rates and agricultural and
trade policies of producing and consuming nations which, among other things, are
influenced by domestic political conditions. The Company sells to a diverse
group of customers both by geography and by end product. Market conditions by
country will vary on a year over year basis and sales shift from one period to
another.
 
     The rising world population and the demand for better diets in developing
nations will continue to drive consumption for fertilizer products over the
long-term. Over the short-term, there should be increased fertilizer usage over
the next few years as world grain stocks are critically low, crop prices
continue to rise, and governments around the world focus on food production. The
Company expects to be an important supplier to these markets. While the
consumption trend line is expected to continue to climb over the long-term,
there will be, at times, fluctuations in demand. For example, Brazil was a major
purchaser in the first quarter of 1995, but credit problems with farmers reduced
purchases for the remainder of the year. This has now been resolved and Brazil
has begun purchasing again. There are reports of high inventories in India of
potassium and phosphate which will affect purchases this year. China purchased
both products in the first quarter of 1996 but shipments have slowed. The
Chinese government continues to emphasize agricultural production which should
encourage purchases in the balance of 1996.
 
     North American potash and phosphate demand in fertilizer is generally
considered mature but is expected to fluctuate slightly from year to year, as a
function of acres planted and application rates per acre which are influenced by
crop prices and weather. While the outlook for 1996 in the domestic market has
been bullish due to a new Farm Bill and no set asides, the late spring in 1996
is affecting consumption in some areas which is having a dampening effect on
demand and prices. However, some volumes are expected to be made up during the
second quarter.
 
     PCS continues to operate its potash mines by matching production to sales
demand. Shutdowns at potash mines for inventory correction will influence potash
production costs.
 
     Mining costs are not expected to increase at a rate greater than the
anticipated rate of inflation. Natural gas costs are expected to be reduced by
approximately 15 percent in the Saskatchewan operations based on existing
contracts for 1996. Sulphur and ammonia prices have moderated and are expected
to impact favourably upon phosphate processing input costs for 1996.
 
     Capital expenditures in 1996 will exceed those in 1995 primarily due to a
full year of phosphate ownership and operation. Plans for such expenditures are
limited to sustaining capital.
 
                                       10
<PAGE>   11
 
     The narrative, included under this Management Discussion and Analysis, has
been prepared with reference to the financial statements reported under Canadian
Generally Accepted Accounting Principles (GAAP).
 
                                       11
<PAGE>   12
 
PART II. OTHER INFORMATION.
 
ITEM 1. LEGAL PROCEEDINGS
 
CIVIL ANTITRUST COMPLAINTS
 
     In June, 1993, the Company and a wholly-owned subsidiary, Potash
Corporation of Saskatchewan Sales Limited, whose name has been changed to PCS
Sales (Canada) Inc. ("PCS Sales"), were served with a complaint relating to a
suit filed in the United States District Court for Minnesota against most North
American potash producers, including the Company. The complaint alleges a
conspiracy among the defendants to fix the price of potash purchased by the
plaintiffs as well as potash purchased by the members of a class of certain
purchasers proposed by the plaintiffs. The complaint seeks treble damages in an
unspecified amount and other relief. Similar complaints were filed in the United
States District Courts for the Northern District of Illinois and the Western
District of Virginia. On motion of the defendants, all of the complaints were
transferred and consolidated for pre-trial purposes in the United States
District Court for Minnesota. Amended complaints were filed in March and April
1994. On January 12, 1995, the Minnesota Federal Court granted the plaintiffs'
motion for class certification. Merits discovery was completed in September
1995. Expert discovery was completed in November 1995. The Company and PCS Sales
filed a motion for summary judgment on December 22, 1995. The Court held oral
argument on that motion on April 18, 1996. The Court has issued an order
scheduling the trial to begin on August 20, 1996.
 
     Additional complaints were filed in the California and Illinois State
Courts on behalf of purported classes of indirect purchasers of potash in those
states. The Company moved to dismiss the California State Court lawsuit for lack
of personal jurisdiction and the court ruled that it does not have personal
jurisdiction over the Company but that it does have personal jurisdiction over
PCS Sales. The case remains at an early stage; no merits discovery has taken
place. The Illinois State Court dismissed the Illinois State Court complaint for
failure to state a cause of action. The Illinois plaintiff has appealed that
dismissal.
 
     In the litigation, the plaintiffs have retained an economist who has issued
a report in which he states that if the plaintiffs prevail, in his opinion, the
plaintiffs would be entitled to a total of approximately $311 million in damages
(subject to trebling) from all the defendants. However, the Company believes
that the approach used by the plaintiffs' economist is so seriously flawed as to
be untenable and insofar as the allegations of wrongdoing relate to the Company,
management of the Company, having consulted with legal counsel, believes that
the allegations are without merit, that the Company has valid defences and that
the lawsuits will not have a material adverse effect on the Company. However,
management of the Company cannot predict with certainty the outcome of the
litigation.
 
GRAND JURY PROCEEDINGS
 
     PCS Sales received a grand jury subpoena on December 29, 1993 from the
Antitrust Division of the U.S. Department of Justice for certain documents
relating to its North American potash business activities. Document production
is ongoing. In addition, ten employees of PCS Sales have received grand jury
subpoenas. The Company believes the Antitrust Division's subpoenas are part of
the Division's ongoing investigation of the allegations made in the civil
antitrust complaints. Since the investigation is at a preliminary stage, it is
not possible to determine whether charges will be filed.
 
                                       12
<PAGE>   13
 
ITEM 6.  EXHIBITS AND REPORTS ON FORM 8-K.
 
(a) Exhibits
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                                  DESCRIPTION OF DOCUMENT
- - -------   ------------------------------------------------------------------------------------
<C>       <S>
 2(i)     Stock Purchase Agreement dated March 5, 1995, among Elf Aquitane, Inc., Williams
          Acquisition Holding Company, Inc., the registrant, Reserveco, Inc. and Texasgulf,
          Inc., incorporated by reference to Exhibit 2(i) to the registrant's report on Form
          10-K for the year ended December 31, 1995.
 2(ii)    Stock Purchase Agreement dated as of September 11, 1995, between Phosphate Holding
          Company, Inc. and Occidental Chemical Corporation, incorporated by reference to
          Exhibit 2(ii) to the registrant's report on Form 10-K for the year ended December
          31, 1995.
 2(iii)   Agreement dated as of October 25, 1995 amending the Stock Purchase Agreement dated
          as of September 11, 1995.
 2(iv)    Agreement dated as of April 30, 1996 amending the Stock Purchase Agreement dated as
          of September 11, 1995.
 3(i)     Restated Articles of Incorporation of the registrant dated October 31, 1989, as
          amended May 11, 1995, incorporated by reference to Exhibit 3(i) to the registrant's
          report on Form 10-K for the year ended December 31, 1995.
 3(ii)    Bylaws of the registrant dated March 2, 1995, incorporated by reference to Exhibit
          3(ii) to the registrant's report on Form 10-K for the year ended December 31, 1995.
 4(a)     Shareholders Rights Agreement dated November 10, 1994, as amended on March 28, 1995,
          and May 4, 1995, and approved by shareholders on May 11, 1995, incorporated by
          reference to Exhibit 4(a) to the registrant's report on Form 10-K for the year ended
          December 31, 1995.
 4(b)     Non-revolving Term Credit Facilities Agreement between The Bank of Nova Scotia and
          other financial institutions and the registrant dated April 10, 1995, incorporated
          by reference to Exhibit 4(b) to the registrant's report on Form 10-K for the year
          ended December 31, 1995.
 4(c)     First Amending Agreement between The Bank of Nova Scotia and other financial
          institutions and the registrant dated May 23, 1995.
 4(d)     Second Amending Agreement between The Bank of Nova Scotia and other financial
          institutions and the registrant dated October 18, 1995.

The registrant hereby undertakes to file with the Securities and Exchange
Commission, upon request, copies of any constituent instruments defining the
rights of holders of long-term debt of the registrant or its subsidiaries that
have not been filed herewith because the amounts represented thereby are less
than 10% of the total assets of the registrant and its subsidiaries on a
consolidated basis.

10(a)     Suspension Agreement concerning Potassium Chloride from Canada dated January 7,
          1988, among U.S. Department of Commerce, Potash Corporation of Saskatchewan,
          International Minerals and Chemical (Canada) Limited, Noranda, Inc. (Central Canada
          Potash Co.), Potash Company of America, a Division of Rio Algom Limited, S & P
          Canada, II (Kalium Chemicals), Cominco Ltd., Potash Company of Canada Limited, Agent
          for Denison-Potacan Potash Co. and Saskterra Fertilizers Ltd., incorporated by
          reference to Exhibit 10(a) to the registrant's Form F-1 (File No. 33-31303) (the
          "F-1 Registration Statement").
10(b)     Sixth Voting Agreement dated April 22, 1978, between Central Canada Potash, Division
          of Noranda, Inc., Cominco Ltd., International Minerals and Chemical Corporation
          (Canada) Limited, PCS Sales and Texasgulf Inc., incorporated by reference to Exhibit
          10(f) to the F-1 Registration Statement.
</TABLE>
 
                                       13
<PAGE>   14
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                                  DESCRIPTION OF DOCUMENT
- - -------   ------------------------------------------------------------------------------------
<C>       <S>
10(c)     Canpotex Limited Shareholders Seventh Memorandum of Agreement effective April 21,
          1978, between Central Canada Potash, Division of Noranda Inc., Cominco Ltd.,
          International Minerals and Chemical Corporation (Canada) Limited, PCS Sales,
          Texasgulf Inc. and Canpotex Limited as amended by Canpotex S & P amending agreement
          dated November 4, 1987, incorporated by reference to Exhibit 10(g) to the F-1
          Registration Statement.
10(d)     Producer Agreement dated April 21, 1978, between Canpotex Limited and PCS Sales,
          incorporated by reference to Exhibit 10(h) to the F-1 Registration Statement.
10(e)     PCS Sales -- Saskterra Special Canpotex Entitlement effective June 13, 1990,
          incorporated by reference to Exhibit 10(n) to the registrant's Form S-1 (File No.
          33-36283).
10(f)     Canpotex/PCS Amending Agreement, dated with effect October 1, 1992, incorporated by
          reference to Exhibit 10(f) to the registrant's report on Form 10-K for the year
          ended December 31, 1995.
10(g)     Canpotex PCA Collateral Withdrawing/PCS Amending Agreement, dated with effect
          October 7, 1993, incorporated by reference to Exhibit 10(g) to the registrant's
          report on Form 10-K for the year ended December 31, 1995.
10(h)     Esterhazy Restated Mining and Processing Agreement dated January 31, 1978, between
          International Minerals and Chemical Corporation (Canada) Limited and the
          registrant's predecessor, incorporated by reference to Exhibit 10(e) to the F-1
          Registration Statement.
10(i)     Agreement dated December 21, 1990, between International Minerals & Chemical
          Corporation (Canada) Limited and the registrant, amending the Esterhazy Restated
          Mining and Processing Agreement dated January 31, 1978, incorporated by reference to
          Exhibit 10(p) to the registrant's report on Form 10-K for the year ended December
          31, 1990.
10(j)     Agreement dated October 13, 1995 between the registrant and Charles E. Childers,
          incorporated by reference to Exhibit 10(j) to the registrant's report on Form 10-K
          for the year ended December 31, 1995.
10(k)     Potash Corporation of Saskatchewan Inc. Stock Option Plan -- Unaffiliated Directors,
          incorporated by reference to Exhibit 4.b. to post-effective amendment No. 5
          ("Amendment No. 5") to the registrant's Form S-8 (File No. 33-37855).
10(l)     Potash Corporation of Saskatchewan Inc. Stock Option Plan -- Officers and Key
          Employees, incorporated by reference to Exhibit 4.a. to Amendment No. 5.
10(m)     Short Term Incentive Plan of the registrant, effective January 1, 1995, incorporated
          by reference to Exhibit 10(m) to the registrant's report on Form 10-K for the year
          ended December 31, 1995.
10(n)     Long-Term Incentive Plan of the registrant, as amended December 15, 1995,
          incorporated by reference to Exhibit 10(n) to the registrant's report on Form 10-K
          for the year ended December 31, 1995.
10(o)     Resolution and Forms of Agreement for Supplemental Retirement Income Plan, for
          officers and key employees of the registrant, incorporated by reference to Exhibit
          10(o) to the registrant's report on Form 10-K for the year ended December 31, 1995.
10(p)     Forms of Agreement dated December 30, 1994, between the registrant and certain
          officers of the registrant, concerning a change in control of the registrant,
          incorporated by reference to Exhibit 10(p) to the registrant's report on Form 10-K
          for the year ended December 31, 1995.
10(q)     Form of Agreement of Indemnification dated August 8, 1995, between the registrant
          and certain officers and directors of the registrant, incorporated by reference to
          Exhibit 10(q) to the registrant's report on Form 10-K for the year ended December
          31, 1995.
</TABLE>
 
                                       14
<PAGE>   15
 
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                                  DESCRIPTION OF DOCUMENT
- - -------   ------------------------------------------------------------------------------------
<C>       <S>
10(r)     Deferred Compensation Plan, for certain officers of PCS Phosphate Company, Inc,
          incorporated by reference to Exhibit 10(r) to the registrant's report on Form 10-K
          for the year ended December 31, 1995.
10(s)     Supplemental Retirement Benefits Plan, for eligible employees of PCS Phosphate
          Company, Inc., incorporated by reference to Exhibit 10(s) to the registrant's report
          on Form 10-K for the year ended December 31, 1995.
10(t)     Second Amended and Restated Membership Agreement dated January 1, 1995, among
          Phosphate Chemicals Export Association, Inc. and members of such association,
          including Texasgulf Inc. (now PCS Phosphate Company, Inc.), incorporated by
          reference to Exhibit 10(t) to the registrant's report on Form 10-K for the year
          ended December 31, 1995.
10(u)     International Agency Agreement dated January 1, 1995, between Phosphate Chemicals
          Export Association, Inc. and Texasgulf Inc. (now PCS Phosphate Company, Inc.)
          establishing Texasgulf Inc. as exclusive marketing agent for such association's wet
          phosphatic materials, incorporated by reference to Exhibit 10(u) to the registrant's
          report on Form 10-K for the year ended December 31, 1995.
10(v)     General Partnership Agreement forming Albright & Wilson Company, dated July 29, 1988
          and amended January 31, 1995, between Texasgulf Inc. (now PCS Phosphate Company,
          Inc.) and Albright & Wilson Americas, Inc., incorporated by reference to Exhibit
          10(v) to the registrant's report on Form 10-K for the year ended December 31, 1995.
10(w)     Facility and Services Agreement dated October 31, 1995, by and between Occidental
          Chemical Corporation and White Springs Agricultural Chemicals, Inc., incorporated by
          reference to Exhibit 10(w) to the registrant's report on Form 10-K for the year
          ended December 31, 1995.
10(x)     Agreement dated as of April 17, 1996 amending the Facility and Services Agreement
          dated October 31, 1995.
10(y)     Royalty Agreement dated October 7, 1993, by and between the registrant and Rio Algom
          Limited, incorporated by reference to Exhibit 10(x) to the registrant's report on
          Form 10-K for the year ended December 31, 1995.
11        Statement re Computation of Per Share Earnings.
27        Financial Data Schedule.
(b) No reports on Form 8-K were filed by the registrant during the first quarter of 1996.
</TABLE>
 
                                       15
<PAGE>   16
 
                                   SIGNATURES
 
     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.
 
<TABLE>
<S>                                              <C>
                                                 Potash Corporation of Saskatchewan Inc.


April 30, 1996                                   By: /s/ CHARLES E. CHILDERS
                                                     ----------------------------------
                                                     Charles E. Childers
                                                     Chief Executive Officer


April 30, 1996                                   By: /s/ BARRY E. HUMPHREYS
                                                     ----------------------------------
                                                     Barry E. Humphreys
                                                     Sr. Vice President, Finance and Treasurer
                                                     (Principal Financial and Accounting Officer)
</TABLE>
 
                                       16
<PAGE>   17
 
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
Exhibit
Number                                  Description of Document
- - -------   ------------------------------------------------------------------------------------
<C>       <S>
 2(i)     Stock Purchase Agreement dated March 5, 1995, among Elf Aquitane, Inc., Williams
          Acquisition Holding Company, Inc., the registrant, Reserveco, Inc. and Texasgulf,
          Inc., incorporated by reference to Exhibit 2(i) to the registrant's report on Form
          10-K for the year ended December 31, 1995.
 2(ii)    Stock Purchase Agreement dated as of September 11, 1995, between Phosphate Holding
          Company, Inc. and Occidental Chemical Corporation, incorporated by reference to
          Exhibit 2(ii) to the registrant's report on Form 10-K for the year ended December
          31, 1995.
 2(iii)   Agreement dated as of October 25, 1995 amending the Stock Purchase Agreement dated
          as of September 11, 1995.
 2(iv)    Agreement dated as of April 30, 1996 amending the Stock Purchase Agreement dated as
          of September 11, 1995.
 3(i)     Restated Articles of Incorporation of the registrant dated October 31, 1989, as
          amended May 11, 1995, incorporated by reference to Exhibit 3(i) to the registrant's
          report on Form 10-K for the year ended December 31, 1995.
 3(ii)    Bylaws of the registrant dated March 2, 1995, incorporated by reference to Exhibit
          3(ii) to the registrant's report on Form 10-K for the year ended December 31, 1995.
 4(a)     Shareholders Rights Agreement dated November 10, 1994, as amended on March 28, 1995,
          and May 4, 1995, and approved by shareholders on May 11, 1995, incorporated by
          reference to Exhibit 4(a) to the registrant's report on Form 10-K for the year ended
          December 31, 1995.
 4(b)     Non-revolving Term Credit Facilities Agreement between The Bank of Nova Scotia and
          other financial institutions and the registrant dated April 10, 1995, incorporated
          by reference to Exhibit 4(b) to the registrant's report on Form 10-K for the year
          ended December 31, 1995.
 4(c)     First Amending Agreement between The Bank of Nova Scotia and other financial
          institutions and the registrant dated May 23, 1995.
 4(d)     Second Amending Agreement between The Bank of Nova Scotia and other financial
          institutions and the registrant dated October 18, 1995.
10(a)     Suspension Agreement concerning Potassium Chloride from Canada dated January 7,
          1988, among U.S. Department of Commerce, Potash Corporation of Saskatchewan,
          International Minerals and Chemical (Canada) Limited, Noranda, Inc. (Central Canada
          Potash Co.), Potash Company of America, a Division of Rio Algom Limited, S & P
          Canada, II (Kalium Chemicals), Cominco Ltd., Potash Company of Canada Limited, Agent
          for Denison-Potacan Potash Co. and Saskterra Fertilizers Ltd., incorporated by
          reference to Exhibit 10(a) to the registrant's Form F-1 (File No. 33-31303) (the
          "F-1 Registration Statement").
10(b)     Sixth Voting Agreement dated April 22, 1978, between Central Canada Potash, Division
          of Noranda, Inc., Cominco Ltd., International Minerals and Chemical Corporation
          (Canada) Limited, PCS Sales and Texasgulf Inc., incorporated by reference to Exhibit
          10(f) to the F-1 Registration Statement.
10(c)     Canpotex Limited Shareholders Seventh Memorandum of Agreement effective April 21,
          1978, between Central Canada Potash, Division of Noranda Inc., Cominco Ltd.,
          International Minerals and Chemical Corporation (Canada) Limited, PCS Sales,
          Texasgulf Inc. and Canpotex Limited as amended by Canpotex S & P amending agreement
          dated November 4, 1987, incorporated by reference to Exhibit 10(g) to the F-1
          Registration Statement.
</TABLE>
<PAGE>   18
 
<TABLE>
<CAPTION>
Exhibit
Number                                  Description of Document
- - -------   ------------------------------------------------------------------------------------
<C>       <S>
10(d)     Producer Agreement dated April 21, 1978, between Canpotex Limited and PCS Sales,
          incorporated by reference to Exhibit 10(h) to the F-1 Registration Statement.
10(e)     PCS Sales -- Saskterra Special Canpotex Entitlement effective June 13, 1990,
          incorporated by reference to Exhibit 10(n) to the registrant's Form S-1 (File No.
          33-36283).
10(f)     Canpotex/PCS Amending Agreement, dated with effect October 1, 1992, incorporated by
          reference to Exhibit 10(f) to the registrant's report on Form 10-K for the year
          ended December 31, 1995.
10(g)     Canpotex PCA Collateral Withdrawing/PCS Amending Agreement, dated with effect
          October 7, 1993, incorporated by reference to Exhibit 10(g) to the registrant's
          report on Form 10-K for the year ended December 31, 1995.
10(h)     Esterhazy Restated Mining and Processing Agreement dated January 31, 1978, between
          International Minerals and Chemical Corporation (Canada) Limited and the
          registrant's predecessor, incorporated by reference to Exhibit 10(e) to the F-1
          Registration Statement.
10(i)     Agreement dated December 21, 1990, between International Minerals & Chemical
          Corporation (Canada) Limited and the registrant, amending the Esterhazy Restated
          Mining and Processing Agreement dated January 31, 1978, incorporated by reference to
          Exhibit 10(p) to the registrant's report on Form 10-K for the year ended December
          31, 1990.
10(j)     Agreement dated October 13, 1995 between the registrant and Charles E. Childers,
          incorporated by reference to Exhibit 10(j) to the registrant's report on Form 10-K
          for the year ended December 31, 1995.
10(k)     Potash Corporation of Saskatchewan Inc. Stock Option Plan -- Unaffiliated Directors,
          incorporated by reference to Exhibit 4.b. to post-effective amendment No. 5
          ("Amendment No. 5") to the registrant's Form S-8 (File No. 33-37855).
10(l)     Potash Corporation of Saskatchewan Inc. Stock Option Plan -- Officers and Key
          Employees, incorporated by reference to Exhibit 4.a. to Amendment No. 5.
10(m)     Short Term Incentive Plan of the registrant, effective January 1, 1995, incorporated
          by reference to Exhibit 10(m) to the registrant's report on Form 10-K for the year
          ended December 31, 1995.
10(n)     Long-Term Incentive Plan of the registrant, as amended December 15, 1995,
          incorporated by reference to Exhibit 10(n) to the registrant's report on Form 10-K
          for the year ended December 31, 1995.
10(o)     Resolution and Forms of Agreement for Supplemental Retirement Income Plan, for
          officers and key employees of the registrant, incorporated by reference to Exhibit
          10(o) to the registrant's report on Form 10-K for the year ended December 31, 1995.
10(p)     Forms of Agreement dated December 30, 1994, between the registrant and certain
          officers of the registrant, concerning a change in control of the registrant,
          incorporated by reference to Exhibit 10(p) to the registrant's report on Form 10-K
          for the year ended December 31, 1995.
10(q)     Form of Agreement of Indemnification dated August 8, 1995, between the registrant
          and certain officers and directors of the registrant, incorporated by reference to
          Exhibit 10(q) to the registrant's report on Form 10-K for the year ended December
          31, 1995.
10(r)     Deferred Compensation Plan, for certain officers of PCS Phosphate Company, Inc,
          incorporated by reference to Exhibit 10(r) to the registrant's report on Form 10-K
          for the year ended December 31, 1995.
</TABLE>
<PAGE>   19
 
<TABLE>
<CAPTION>
Exhibit
Number                                  Description of Document
- - -------   ------------------------------------------------------------------------------------
<C>       <S>
10(s)     Supplemental Retirement Benefits Plan, for eligible employees of PCS Phosphate
          Company, Inc., incorporated by reference to Exhibit 10(s) to the registrant's report
          on Form 10-K for the year ended December 31, 1995.
10(t)     Second Amended and Restated Membership Agreement dated January 1, 1995, among
          Phosphate Chemicals Export Association, Inc. and members of such association,
          including Texasgulf Inc. (now PCS Phosphate Company, Inc.), incorporated by
          reference to Exhibit 10(t) to the registrant's report on Form 10-K for the year
          ended December 31, 1995.
10(u)     International Agency Agreement dated January 1, 1995, between Phosphate Chemicals
          Export Association, Inc. and Texasgulf Inc. (now PCS Phosphate Company, Inc.)
          establishing Texasgulf Inc. as exclusive marketing agent for such association's wet
          phosphatic materials, incorporated by reference to Exhibit 10(u) to the registrant's
          report on Form 10-K for the year ended December 31, 1995.
10(v)     General Partnership Agreement forming Albright & Wilson Company, dated July 29, 1988
          and amended January 31, 1995, between Texasgulf Inc. (now PCS Phosphate Company,
          Inc.) and Albright & Wilson Americas, Inc., incorporated by reference to Exhibit
          10(v) to the registrant's report on Form 10-K for the year ended December 31, 1995.
10(w)     Facility and Services Agreement dated October 31, 1995, by and between Occidental
          Chemical Corporation and White Springs Agricultural Chemicals, Inc., incorporated by
          reference to Exhibit 10(w) to the registrant's report on Form 10-K for the year
          ended December 31, 1995.
10(x)     Agreement dated as of April 17, 1996 amending the Facility and Services Agreement
          dated October 31, 1995.
10(y)     Royalty Agreement dated October 7, 1993, by and between the registrant and Rio Algom
          Limited, incorporated by reference to Exhibit 10(x) to the registrant's report on
          Form 10-K for the year ended December 31, 1995.
11        Statement re Computation of Per Share Earnings.
27        Financial Data Schedule.
</TABLE>

<PAGE>   1
 
                                                                  Exhibit 2(iii)
 
                              AMENDMENT NUMBER ONE
 
                                     TO THE
 
                            STOCK PURCHASE AGREEMENT
 
     This Amendment Number One, dated as of October 25, 1995, hereby amends the
Stock Purchase Agreement dated as of September 11, 1995 (the "Original Stock
Purchase Agreement"), by and among Occidental Chemical Corporation, a New York
corporation (the "Seller"), and Phosphate Holding Company, Inc., a Delaware
corporation (the "Purchaser").
 
     WHEREAS, by letters dated September 11, 1995, September 28, 1995, October
13, 1995 and October 18, 1995 respectively, the Seller and the Purchaser agreed
under the circumstances described therein to enter into this Amendment Number
One to the Original Stock Purchase Agreement to include as part of the Original
Stock Purchase Agreement the "Missing Related Agreement" and the "Missing
Schedules," all as defined in the foregoing letters.
 
     NOW THEREFORE, it is hereby agreed as follows:
 
     Article I.  The capitalized terms used in the Original Stock Purchase
Agreement and not otherwise defined herein are used herein as defined in the
Original Stock Purchase Agreement; provided, however, the capitalized term
"Agreement" shall mean the Original Stock Purchase Agreement as amended by this
Amendment Number One.
 
     Article II.  The definition of "Related Agreements" shall be amended to
substitute the following for Section 1.24 of the Agreement:
 
     1.24  Related Agreements:  The term "Related Agreements" shall mean the
following agreements in the forms of the Exhibits:
 
    Exhibit A-1:     Assignment and Assumption Agreement
    Exhibit A-2:     Amendment Number One to Assignment and Assumption Agreement
    Exhibit B:       Facility and Services Agreement
    Exhibit C:       Interim Services Agreement
    Exhibit D:       Non-Competition Agreement
    Exhibit E:       OPC Guarantee
    Exhibit F:       PCS Guarantee
    Exhibit G-1
    and G-2:         Railcar Subleases
    Exhibit H:       Tax Lease Consents
 
     The Related Agreements were not attached to the Original Stock Purchase
Agreement. Attached hereto are the Related Agreements which are Exhibits A-1
through H.
 
     Article III.  The Schedules referred to in the Original Stock Purchase
Agreement were not attached thereto and are hereby attached to the Agreement in
accordance with its terms.
 
     The Schedule numbers on the attached schedules refer to the corresponding
Sections of the Agreement. All capitalized terms not defined in the Schedules
have the same meaning as the capitalized terms in the Agreement.
 
     Article IV.  The following Sections of the original Stock Purchase
Agreement shall be amended in the following manner:
 
Section 1.1                  Substitute "WSP, WSOT and WSET" for "and WSP" in
                             the fourth line of Section 1.1
 
                                        1
<PAGE>   2
 
Section 1.3                  Substitute "Sections 6.18 and 6.19" for "Sections
                             6.16 and 6.17" in Section 1.3
 
Section 1.12                 Substitute "Section 1.12" for "Section 1.11" in the
                             sixth line of Section 1.12.
 
Section 1.35(i)              Delete "and" on the fifteenth line and add "and (6)
                             petty cash described on Schedule 1.5(xiii)" to the
                             end of the Subsection 1.35(i).
 
Section 1.91                 Substitute "Section 6.7.2" for "Section 6.7.3" in
                             Section 1.91.
 
Section 1.112                Substitute "WSOT (successor to United States Trust
                             Company of New York)," for "United States Trust
                             Company of New York," in Section 1.112.
 
Sections 1.136 and 1.137     Add the following sections at the tope of page 33
                             before the first full paragraph:
 
                             "1.136 WSOT  "WSOT" shall mean White Springs OT
                             L.L.C., a Delaware limited liability company.
 
                             "1.137 WSET  "WSET" shall mean White Springs ET
                             L.L.C., a Delaware limited liability company.
 
Section 2.7                  Substitute "by WSA, by WSP by WSOT or by WSET" for
                             "by WSA or by WSP" in Section 2.7.
 
Section 3.1.2                Substitute the following for Section 3.1.2(a):
 
                             "3.1.2  Organization and Good Standing of
                             Subsidiaries; Trust Organization. (a) WSA and WSP
                             are each a corporation duly incorporated, validly
                             existing and in good standing under the laws of the
                             state of Delaware, with the requisite corporate
                             power to own its assets and to carry on the
                             business in which it is presently engaged. WSOT and
                             WSET each has been duly formed and is validly
                             existing in good standing as a limited liability
                             company under the Delaware Limited Liability
                             Company Act. Under that Act and their respective
                             operating agreements, WSOT and WSET each has the
                             requisite limited liability company power to own
                             its assets and carry on the business in which it is
                             presently engaged.
 
                             WSA is duly qualified to do business in each
                             jurisdiction in which the character of its
                             properties and assets, or the nature of the
                             Business, makes such qualification necessary,
                             except where the failure to be so qualified would
                             not result either individually or in the aggregate
                             in a Material Adverse Effect with respect to WSA.
                             WSA has not conducted any business other than the
                             Business transferred to WSA pursuant to the
                             Assignment and Assumption Agreement. Schedule 3.1.2
                             sets forth all jurisdictions in which WSA is
                             qualified to do business. WSP, WSOT and WSET are
                             each duly qualified to do business in each
                             jurisdiction in which the character of their
                             respective properties and assets, or the nature of
                             their respective ownership and activities with
                             regard thereto, makes such qualification necessary.
                             WSP has not conducted any business other than the
                             ownership of the Properties specified under its
                             name on Schedule 3.1.2 and the leasing or licensing
                             of such Properties pursuant to the Contracts
                             referred to in that Schedule. WSOT and WSET have
                             not conducted any business other than acting as
                             Owner Trustee and Easement Trustee, respectively,
                             pursuant to the Trust
 
                                        2
<PAGE>   3
 
                             Agreement dated as of October 23, 1979 as amended
                             for the Swift Creek Chemical Plant Lease and the
                             Easement Trust Agreement dated as of October 29,
                             1975 between Irving Trust Company, now known as The
                             Bank of New York, as owner Trustee and First Union
                             National Bank of Florida successor to Southeast
                             First National Bank of Miami, as Trustee. No
                             dissolution, liquidation or bankruptcy proceeding
                             is pending, contemplated or threatened against any
                             of WSA, WSP, WSOT or WSET. A copy of the
                             Certificate of Incorporation, the By-Laws, or the
                             other applicable organizational documents, and each
                             amendment, if any, thereto, for each of Seller,
                             WSA, WSP, WSOT and WSET have been furnished to the
                             Purchaser, and all of such documents are in effect
                             and are complete."
 
Section 3.1.4                Substitute "WSP, WSOT and WSET" for "and WSP" in
                             Section 3.1.4(ii).
 
Section 3.1.5                Substitute the following for Section 3.1.5:
 
                             "3.1.5  Equity Interests of WSA, WSP, WSOT and
                             WSET. The authorized capital stock of WSA consists
                             of 2,000 shares of common stock, par value of $1
                             per share, of which 1,000 shares (the "Stock") are
                             issued and outstanding and are owned beneficially
                             and of record by the Seller. Such Stock is validly
                             issued and outstanding, fully paid and
                             nonassessable, and owned, beneficially and of
                             record, by the Seller free and clear of all Liens.
                             The authorized capital stock of WSP consists of
                             2,000 shares of common stock, par value $1 per
                             share, of which 1,000 shares are validly issued and
                             outstanding. All outstanding shares of WSP are
                             fully paid and nonassessable and owned,
                             beneficially and of record, by WSA, free and clear
                             of all Liens. All of the equity interests of WSOT
                             and WSET are owned, beneficially and of record by
                             WSA and WSP, collectively, free and clear of all
                             Liens. There are no outstanding options, warrants,
                             rights to subscriptions, calls or commitments
                             requiring the issuance or transfer by WSA, WSP,
                             WSOT or WSET of any shares of capital stock or
                             other equity interests or any securities
                             convertible into or exchangeable or exercisable for
                             any rights to acquire capital stock or other equity
                             interests of WSA, WSP, WSOT or WSET. There are no
                             outstanding stock appreciation, phantom stock,
                             profit participation or similar rights with respect
                             to the Business."
 
Section 3.1.6                Substitute "WSP, WSOT and WSET" for "and WSP" in
                             the heading and in the text of Section 3.1.6.
 
Section 3.1.11               Substitute "WSA, WSP, WSOT or WSET" for "WSA or
                             WSP" wherever it appears in Section 3.1.11.
 
Section 3.1.18               Substitute "WSA, WSP, WSOT or WSET" for "WSA or
                             WSP" in Section 3.1.18.
 
Section 3.1.21               In the second sentence of Section 3.1.21(i) add
                             "any Person, or registration, declaration or
                             filing" after "authorization of", and (ii)
                             substitute "WSA, WSP, WSOT or WSET" for "WSA or
                             WSP" and "WSA, WSP, WSOT and WSET" for "WSA and
                             WSP" whenever it appears in Section 3.1.21.
 
Section 3.1.28               Substitute "WSA, WSP, WSOT or WSP" for "WSA or WSP"
                             and "WSA, WSP, WSOT and WSET" for "WSA and WSP"
                             whenever it appears in Section 3.1.28.
 
                                        3
<PAGE>   4
 
Section 3.1.30 and 3.1.31    Substitute "WSA, WSP, WSOT nor WSET" for "WSA nor
                             WSP" in Sections 3.1.30 and 3.1.31.
 
Section 3.1.32               Substitute "WSA, WSP, WSOT and WSET" for "WSA and
                             WSP" and "WSA, WSP, WSOT or WSET" for "WSA or WSP"
                             in Section 3.1.32.
 
Section 5.2.7                Substitute "Section 6.7.2" for "Section 6.7.3" in
                             Section 5.2.7.
 
Section 6.1                  Substitute "WSA, WSP, WSOT or WSET" for "WSA or
                             WSP" wherever it appears in Section 6.1.
 
Section 6.12                 Substitute "excepted" for "expected" in the last
                             sentence of Section 6.12.
 
Section 6.17                 Substitute "Section 6.17" for "Section 6.15" in
                             Section 6.17.
 
Section 6.18                 Add "if" to the beginning of Section 6.18.1(g) and
                             substitute "transferee" for "transforee" in Section
                             6.18.1(g).
 
Section 6.18.6               Substitute "Section 5.2.8" for "Section 5.2.9" in
                             Section 6.18.6.
 
Section 6.19                 Substitute "Section 6.19" for "Section 6.17" in
                             Section 6.19.
 
Section 6.20                 Substitute "reasonable commercial efforts" for
                             "reasonably commercial efforts" in Section 6.20.
 
Section 6.21                 Substitute "Sections 6.21(a) and 6.21(b)" for
                             "Sections 6.20(a) and 6.21(b)" in Section 6.21.
 
Section 7.1                  Substitute "WSA, WSP, WSOT or WSET" for "WSA or
                             WSP" and "WSA, WSP, WSOT nor WSET" for "WSA nor
                             WSP" whenever it appears in Section 7.1.
 
Sections 7.2 and 7.3         Substitute "WSA, WSP, WSOT and WSET" for "WSA and
                             WSP" whenever it appears in Sections 7.2 and 7.3.
 
Sections 7.4, 7.5 and 7.7    Substitute "WSA, WSP, WSOT or WSET" for "WSA or
                             WSP" whenever it appears in Section 7.4, 7.5 and
                             7.7.
 
Section 7.6                  Substitute "Each Party" for "The Parties" at the
                             beginning of the third sentence of the first and
                             second paragraphs of Section 7.6.
 
Section 7.10                 Substitute "WSA, WSP, WSOT and/or WSET" for "WSA
                             and/or WSP", "WSA, WSP, WSOT or WSET" for "WSA or
                             WSP" and "WSA, WSP, WSOT and WSET" for "WSA and
                             WSP" in Section 7.10.
 
Section 9.2                  Substitute "or (c)" for "and (c)" in the first
                             sentence of Section 9.2.
 
Section 9.4.4                Add ")" after "warranties" in the second sentence
                             of Section 9.4.4.
 
Section 9.4.5                Substitute "Sections 9.4.2, 9.4.3 or 9.4.4" for
                             "Sections 9.4.3, 9.4.4 or 9.4.5" in Section 9.4.5.
 
Section 10.16                Substitute "Section 9.4.5" for "Section 9.4.4" in
                             Section 10.16.
 
     Article V.  Purchaser hereby elects pursuant to Section 6.18(a) to waive
the requirement set forth in Section 6.18(a) that "such consent" be obtained
before Closing. Accordingly Seller and Purchaser agree that the Assets Used in
the Ammonia Operation Agreement will not be Excluded Assets.
 
                                        4
<PAGE>   5
 
     IN WITNESS WHEREOF, each of the Parties hereto has caused this Amendment
Number One to be signed in its corporate name by its duly authorized officer, as
of the date first above written.
 
                                          OCCIDENTAL CHEMICAL CORPORATION
 
                                          By: /s/
                                             -----------------------------
                                          Name: Richard A. Lorraine
                                          Title: Executive Vice President
 
                                          PHOSPHATE HOLDING COMPANY, INC.
 
                                          By: /s/
                                             -----------------------------
                                          Name: John Hampton
                                          Title: Secretary
 
                                        5

<PAGE>   1
 
                                                                   Exhibit 2(iv)
 
                              AMENDMENT NUMBER TWO
 
                                     TO THE
 
                            STOCK PURCHASE AGREEMENT
 
     This Amendment Number Two, dated as of April 30, 1996, hereby amends the
Stock Purchase Agreement dated as of September 11, 1995 by and among Occidental
Chemical Corporation, a New York corporation (the "Seller"), and Phosphate
Holding Company Inc., a Delaware corporation (the "Purchaser") as amended by
Amendment Number One dated as of October 25, 1995.
 
     WHEREAS, the Seller and the Purchaser have agreed under Section 2.6 of the
Agreement upon the Working Capital as of the Closing Date and the prorations and
upon certain modifications to the Stock Purchase Agreement as heretofore amended
to reflect the understanding used to arrive at the Working Capital as of the
Closing Date.
 
     NOW THEREFORE, it is hereby agreed as follows:
 
     Article I.  The capitalized terms used in the Stock Purchase Agreement or
as revised by Amendment Number One and not otherwise defined herein are used
herein as defined in the Stock Purchase Agreement as so amended; provided,
however, the capitalized term "Agreement" shall mean the Stock Purchase
Agreement as amended by Amendments Number One and Two.
 
     Article II.  The following Sections of the Stock Purchase Agreement shall
be amended in the following manner:
 
<TABLE>
<S>                <C>
Section 1.133      Subpart 3(a) of Section 1.133 shall be deleted in its entirety. Seller
                   agrees to pay WSA an amount equal to all receivables existing at October 31,
                   1995 from Arcadian Corporation under sales arrangements which exist at that
                   date and were not paid by Arcadian Corporation by the date of this Amendment
                   Number Two. If any such receivable which has not been paid by the date
                   hereof are hereafter paid to WSA, Purchaser shall cause WSA to pay Seller
                   all amounts so received.
Section            The Miscellaneous Excluded Assets on Schedule 1.35(xiv) shall be amended to
  1.35(xiv)        delete item 4 "the membership of the Seller in PhosChem". Seller hereby
                   transfers to WSA effective October 31, 1995 its entire right title and
                   interest in its membership in PhosChem subject however to the other
                   provisions of the Agreement. The dues for the months of November and
                   December 1995 are therefore prepaids pursuant to the definition of Working
                   Capital.
                   However, Schedule 1.35(xiv) shall be amended further to include as an
                   Excluded Asset all amounts due to, or held for the account of, Seller or WSA
                   and all amounts payable by Seller or WSA to PhosChem at October 31, 1995
                   including, but not limited to, (a) the price averaging rebate for the third
                   and fourth quarter of 1995, (b) the price averaging rebate for the second
                   semi-annual period ending December 31, 1995, (c) all amounts retained to
                   discharge claims for sales by Seller or WSA through PhosChem before October
                   31, 1995, and (d) all amounts due by Seller or WSA to PhosChem for a
                   building lease. Purchaser agrees to cause WSA (x) to pay promptly to Seller
                   any amounts received by WSA from PhosChem for these Excluded Assets and (y)
                   to instruct PhosChem to pay such amounts not heretofore received directly to
                   Seller. Seller shall indemnify Purchaser and WSA for liabilities relating to
                   these Excluded Assets.
</TABLE>
 
                                        1
<PAGE>   2
 
     Article III.  Except as specifically modified by this Amendment Number Two,
the other terms and conditions of the Stock Purchase Agreement as amended by
Amendment Number One and as modified or waived by agreements in writing signed
by both Seller and Purchaser shall remain in full force and effect.
 
     IN WITNESS WHEREOF, each of the Parties hereto has caused this Amendment
Number Two to be signed in its corporate name by its duly authorized officer, as
of the date first above written.
 
                                          OCCIDENTAL CHEMICAL CORPORATION
 
                                          By: /s/
                                             -------------------------------
                                          Name: Fred J. Gruberth
                                          Title: Vice President & Treasurer
 
                                          PHOSPHATE HOLDING COMPANY, INC.
 
                                          By: /s/
                                             -------------------------------
                                          Name: John L. M. Hampton
                                          Title: Secretary
 
                                        2

<PAGE>   1
 
                                                                    Exhibit 4(c)
 
                            FIRST AMENDING AGREEMENT
 
      THIS AGREEMENT made as of the 23rd day of May, 1995.
 
BETWEEN:
 
      THE BANK OF NOVA SCOTIA, a Canadian chartered bank
 
      (herein called the "Agent")
 
      -- and --
 
      THE BANK OF NOVA SCOTIA and one or more financial institutions to whom The
      Bank of Nova Scotia or its assigns may from time to time assign an
      undivided interest in Credit Facility A (as defined in the Credit
      Agreement) and who agree to be bound by the terms hereof as a Facility A
      Lender (as defined in the Credit Agreement)
 
      (herein, in their capacities as lenders to the Borrower under Credit
      Facility A, collectively called the "Facility A Lenders" and individually
      called a "Facility A Lender")
 
      -- and --
 
      THE BANK OF NOVA SCOTIA and one or more financial institutions to whom The
      Bank of Nova Scotia or its assigns may from time to time assign an
      undivided interest in Credit Facility B (as defined in the Credit
      Agreement) and who agree to be bound by the terms hereof as a Facility B
      Lender (as defined in the Credit Agreement)
 
      (herein, in their capacities as lenders to the Borrower under Credit
      Facility B, collectively called the "Facility B Lenders" and individually
      called a "Facility B Lender")
 
      -- and --
 
      POTASH CORPORATION OF SASKATCHEWAN INC., a corporation incorporated under
      the laws of the Province of Saskatchewan
 
      (herein called the "Borrower").
 
      WHEREAS the parties hereto entered into a non-revolving term credit
facilities agreement made as of April 10, 1995 (the "Credit Agreement") and
pursuant to which certain non-revolving term credit facilities were established
in favour of the Borrower;
 
      AND WHEREAS the parties hereto have agreed to effect certain amendments to
the Credit Agreement upon the terms set forth herein;
 
      NOW THEREFORE THIS AGREEMENT WITNESSES that, in consideration of the
mutual covenants and agreements and for other good and valuable consideration
(the receipt and sufficiency of which are hereby acknowledged), the parties
hereto hereby agree as follows:
 
                                   ARTICLE I
                                 DEFINED TERMS
 
SECTION 1.01.  Capitalized Terms.  All capitalized terms which are used herein
without being specifically defined herein shall have the meaning ascribed
thereto in the Credit Agreement.
 
                                        1
<PAGE>   2
 
                                   ARTICLE II
                                   AMENDMENTS
 
SECTION 2.01.  General Rule.  The Credit Agreement is hereby amended to the
extent necessary to give full effect to the provisions of this agreement.
 
SECTION 2.02.  Definitions.  The definition of "BA Rate" in Section 1.01 of the
Credit Agreement is hereby amended by adding the following sentence thereto:
 
     "If such a rate does not appear on such Page for a particular Reference
     Lender as of such time, such rate for such Reference Lender shall be the
     arithmetic average of the rates per annum for Canadian dollar bankers'
     acceptances having such term for such Reference Lender which are quoted to
     the Agent as of such time by three investment dealers chosen by the Agent
     which appear on such Page provided that the Agent shall act in good faith
     in order to obtain representative quotes."
 
SECTION 2.03.  Use of Facsimile Signatures on Bankers' Acceptances.  Article 3
of the Credit Agreement is hereby amended by adding the following Section
immediately after Section 3.02:
 
     "3.02A  Use of Facsimile Signatures on Bankers' Acceptances.
 
     (a)  Each Bankers' Acceptance shall be in the form attached as Schedule I
     hereto and any Bankers' Acceptance may, at the option of the Borrower, be
     executed in advance by the Borrower by mechanically reproduced or facsimile
     signatures of any two officers of the Borrower who are properly so
     designated and authorized by the Borrower from time to time. Any Bankers'
     Acceptance so executed and delivered by the Borrower to a Facility A Lender
     shall be valid and shall bind the Borrower and may be dealt with by the
     Agent or any Facility A Lender to all intents and purposes as if the
     Bankers' Acceptance had been signed in the executing officers' own
     handwriting.
 
     (b)  The Borrower shall notify the Agent as to those officers whose
     signatures may be reproduced and used to execute Bankers' Acceptances in
     the manner provided in Section 3.02A(a). Bankers' Acceptances with the
     mechanically reproduced or facsimile signatures of designated officers may
     be used by each of the Facility A Lenders and the Agent and shall continue
     to be valid, notwithstanding the death, termination of employment or
     termination of authorization of either or both of such officers or any
     other circumstance.
 
     (c)  The Borrower hereby indemnifies and agrees to hold harmless the Agent
     and each Facility A Lender against and from all losses, damages, expenses
     and other liabilities caused by or attributable to the use of the
     mechanically reproduced or facsimile signature instead of the original
     signature of an authorized officer of the Borrower on a Bankers' Acceptance
     prepared, executed, issued and accepted pursuant to this agreement."
 
SECTION 2.04.  Waivers and Amendments.  Section 14.14(b)(vii) of the Credit
Agreement is hereby amended by changing the reference to Section 11.01(m)(ii)
therein to Section 11.03(f)(ii).
 
SECTION 2.05.  Distribution of Notices.  Section 14.17 of the Credit Agreement
is hereby deleted and replaced with the following:
 
     "14.17  Distribution of Notices.  With respect to each notice which is
     delivered to the Agent hereunder on behalf of certain of or all of the
     Lenders, the Agent shall provide a copy of such notice to each of such
     Lenders no later than 5:00 p.m. (Toronto time) on the date it is received
     by the Agent if such date is a Banking Day and it is received by the Agent
     prior to noon (Toronto time) on such date; otherwise, the Agent shall
     provide a copy of such notice to each of such Lenders within one Banking
     Day of receipt by the Agent. With respect to each other document which is
     delivered to the Agent hereunder on behalf of certain of or all of the
     Lenders, the Agent shall provide a copy of such document to each of such
     Lenders within one Banking Day of receipt by the Agent."
 
SECTION 2.06  Schedule I.  The Credit Agreement is hereby amended by adding
Schedule I hereto as Schedule I to the Credit Agreement.
 
                                        2
<PAGE>   3
 
SECTION 2.07.  Deliveries Pursuant to Credit Agreement.  For the purposes of the
Credit Agreement, this agreement and any document or instrument referred to
herein shall be deemed to be delivered pursuant to the Credit Agreement and to
be referred to in the Credit Agreement.
 
                                  ARTICLE III
                                 MISCELLANEOUS
 
SECTION 3.01.  Future References.  On and after the effective date of this
agreement, each reference in the Credit Agreement to "this Agreement",
"hereunder", "hereof", or words of like import referring to the Credit
Agreement, and each reference in any related document to the "Credit Agreement",
"thereunder", "thereof", or words of like import referring to the Credit
Agreement, shall mean and be a reference to the Credit Agreement as amended
hereby, and each such related document is hereby amended accordingly. The Credit
Agreement, as amended hereby, is and shall continue to be in full force and
effect and is hereby in all respects ratified and confirmed.
 
SECTION 3.02.  Governing Law.  This agreement shall be governed by and construed
in accordance with the laws of the Province of Ontario.
 
SECTION 3.03.  Enurement.  This agreement shall enure to the benefit of and
shall be binding upon the parties hereto and their respective successors and
permitted assigns.
 
SECTION 3.04.  Conflict.  If any provision of this agreement is inconsistent or
conflicts with any provision of the Credit Agreement, the relevant provision of
this agreement shall prevail and be paramount.
 
SECTION 3.05.  Further Assurances.  The Borrower shall do, execute and deliver
or shall cause to be done, executed and delivered all such further acts,
documents and things as the Agent may reasonably request for the purpose of
giving effect to this agreement and to each and every provision hereof.
 
SECTION 3.06.  Counterparts.  This agreement may be executed in one or more
counterparts, each of which shall be deemed to be an original and all of which
taken together shall be deemed to constitute one and the same instrument.
 
      IN WITNESS WHEREOF the parties hereto have executed this agreement.
 
                                          THE BANK OF NOVA SCOTIA,
                                          as Agent, as Facility A Lender
                                          and as Facility B Lender
 
                                          By: /s/
                                              -------------------------------- 
                                          By: /s/
                                              -------------------------------- 

                                          POTASH CORPORATION OF
                                          SASKATCHEWAN INC.
 
                                          By: /s/
                                              --------------------------------
                                          By: /s/
                                              --------------------------------

                                        3
<PAGE>   4
 
                                   Schedule I
 
                          Form of Bankers' Acceptance
 
<TABLE>
<S>                    <C>                     <C>                     <C>                     <C>
  ACCEPTED              BANKERS'                DUE                     B.A.
                        Acceptance              DATE
  FOR                   TERM                    BRANCH                  ISSUE
                        IN DAYS                 DOMICILE                DATE
                        ON                      WITHOUT GRACE, FOR VALUE
  Branch                                        RECEIVED, PAY TO THE BEARER THE
                                                SUM OF $
  Manager                                                                      DOLLARS
  Officer in Charge of
  Operations
                        POTASH CORPORATION OF SASKATCHEWAN INC.
                        PER  _________________________________
                              Authorized Signature
  [Serial Number]
                        PER  _________________________________
                              Authorized Signature
</TABLE>
 
                                        4

<PAGE>   1
 
                                                                    Exhibit 4(d)
 
                           SECOND AMENDING AGREEMENT
 
      THIS AGREEMENT made as of the 26th day of October, 1995.
 
BETWEEN:
 
      THE BANK OF NOVA SCOTIA
 
      (herein, in its capacity as agent of the Lenders, called the "Agent")
 
      -- and --
 
      THE FINANCIAL INSTITUTIONS WHO ARE INDICATED IN SCHEDULE A HERETO AS
      HAVING AN INDIVIDUAL COMMITMENT WITH RESPECT TO CREDIT FACILITY A
 
      (herein collectively called the "Facility A Lenders" and individually
      called a "Facility A Lender")
 
      -- and --
 
      THE FINANCIAL INSTITUTIONS WHO ARE INDICATED IN SCHEDULE A HERETO AS
      HAVING AN INDIVIDUAL COMMITMENT WITH RESPECT TO CREDIT FACILITY B
 
      (herein collectively called the "Facility B Lenders" and individually
      called a "Facility B Lender")
 
      -- and --
 
      POTASH CORPORATION OF SASKATCHEWAN INC., a corporation incorporated under
      the laws of the Province of Saskatchewan
 
      (herein called the "Borrower").
 
      WHEREAS the parties hereto entered into a non-revolving term credit
facilities agreement made as of April 10, 1995, as amended by an agreement made
as of May 23, 1995 (the "Credit Agreement") and pursuant to which the Lenders
established certain non-revolving term credit facilities in favour of the
Borrower;
 
      AND WHEREAS the parties hereto have agreed to increase the amount of each
Credit Facility and to effect certain other amendments to the Credit Agreement
upon the terms set forth herein;
 
      NOW THEREFORE THIS AGREEMENT WITNESSES that, in consideration of the
mutual covenants and agreements and for other good and valuable consideration
(the receipt and sufficiency of which are hereby acknowledged), the parties
hereto hereby agree as follows:
 
                                   ARTICLE I
                                 DEFINED TERMS
 
1.01  Capitalized Terms.  All capitalized terms which are used herein without
being specifically defined herein shall have the meaning ascribed thereto in the
Credit Agreement.
 
                                   ARTICLE II
                                   AMENDMENTS
 
2.01  General Rule.  The Credit Agreement is hereby amended to the extent
necessary to give full effect to the provisions of this agreement.
 
2.02  Definitions.  Section 1.01 of the Credit Agreement is hereby amended as
follows:
 
     (i)   the definition of "Actual Capital Expenditures" is deleted and
           replaced by the following:
 
           "Actual Capital Expenditures" means, for any particular period, the
           aggregate of those expenditures of the Borrower which would, in
           accordance with generally accepted accounting principles and on a
           consolidated basis, be considered capital expenses of the Borrower 
           for such period (including those financed through capital leases) or
           investments by the Borrower in any other entity, whether by way of
           equity or otherwise, during such period (but specifically excluding
           capital expenses incurred in connection with the transaction
           contemplated by the Acquisition Agreement,
 
                                        1
<PAGE>   2
 
        capital expenses incurred in connection with the transaction
        contemplated by the Purchase Agreement and Non-Cash Acquisitions).
 
  (ii)  the following is added following the definition of "Alternate Base
        Rate Canada":
 
        "Available Facility A Credit" means, at any particular time, the amount,
        if any, of the aggregate of the unused Individual Commitments of the
        Lenders at that time in respect of Credit Facility A.
 
        "Available Facility B Credit" means, at any particular time, the amount,
        if any, of the aggregate of the unused Individual Commitments of the
        Lenders at that time in respect of Credit Facility B.
 
  (iii) the definition of "Borrowing" is amended by changing the phrase "a
        single drawdown" to "two separate drawdowns";
 
   (iv) the definition of "Material Subsidiaries" is deleted and replaced by
        the following:
 
        "Material Subsidiaries" means Potash Corporation of Saskatchewan Sales
        Limited, LLC, Texasgulf, any other subsidiary of the Borrower whose book
        value of assets is greater than 20% of the book value of the assets of
        the Borrower on a consolidated basis or whose gross sales are greater
        than 20% of the gross sales of the Borrower on a consolidated basis and,
        after the direct or indirect acquisition of all of the shares of White
        Springs by the Borrower, also means Phosphate Holding Company, Inc.,
        White Springs and WSP.
 
   (v)  the following is added following the definition of "Pro Rata Share":
 
        "Purchase Agreement" means the agreement of purchase and sale dated as
        of September 11, 1995 between Phosphate Holding Company, Inc. and
        Occidental Chemical Corporation and pursuant to which Phosphate Holding
        Company, Inc. agreed to purchase from Occidental Chemical Corporation
        all of the issued and outstanding shares of White Springs.
 
   (vi) the definition of "Texasgulf" is deleted and replaced by the
        following:
 
        "Texasgulf" means PCS Phosphate Company, Inc., the former name of which
        is Texasgulf Inc., a corporation incorporated under the laws of the
        State of Delaware, or any successor to its business.
 
  (vii) the following is added following the definition of "Vendors":
 
        "White Springs" means White Springs Agricultural Chemicals, Inc.
 
 (viii) the following is added following the definition of "Withdrawal
        Liability":
 
        "WSP" means White Springs Phosphate, Inc.
 
2.03  Establishment of Credit Facility A.  Section 2.02 of the Credit Agreement
is hereby amended by changing the reference to $380,000,000 therein to
$480,000,000.
 
2.04  Establishment of Credit Facility B.  Section 2.03 of the Credit Agreement
is hereby amended by changing the reference to $380,000,000 therein to
$560,000,000.
 
2.04A  Lenders' Commitments.  Section 2.04 of the Credit Agreement is hereby
amended by changing the word "seven" to "ten" in the fourteenth line thereof.
 
2.05  Types of Accommodations.  Section 3.01 of the Credit Agreement is hereby
deleted and replaced with the following:
 
     "3.01 Types of Accommodations.  Subject to the terms and conditions hereof,
     the Borrower may obtain and maintain Accommodation under Credit Facility A
     by way of one or more Bankers' Acceptances, Prime Rate Loans, Base Rate
     Canada Loans and LIBOR Loans and under Credit Facility B by way of one or
     more Base Rate Canada Loans and LIBOR Loans; provided, however, that the
     first drawdown under each Credit Facility may only be made by way of Base
     Rate Canada Loans on or before April 30, 1995 and the second drawdown under
     each Credit Facility may only be made on or before December 27, 1995."
 
                                        2
<PAGE>   3
 
2.06  Notice Periods.  Section 3.07 of the Credit Agreement is hereby deleted
and replaced with the following:
 
     "3.07  Notice Periods.  Each Drawdown Notice, Rollover Notice, Conversion
     Notice and Payment Notice shall be given to the Agent:
 
   (a)  prior to 11:30 a.m. (Toronto time) on the third Banking Day prior to
        the date of a drawdown of, rollover of, conversion of, conversion into,
        repayment of or prepayment of a LIBOR Loan; and
 
   (b)  prior to 11:30 a.m. (Toronto time) on the second Banking Day prior to
        the date of any other drawdown, rollover, conversion, repayment or
        prepayment."
 
2.07  Drawdown Notice.  Section 4.01 of the Credit Agreement is hereby deleted
and replaced with the following:
 
     "4.01  Drawdown Notice.  Provided that all of the applicable conditions
     precedent set forth in Article 12 have been fulfilled by the Borrower or
     waived by the Majority Lenders, the Borrower may have Accommodation made
     available to it under each of the Credit Facilities on two separate
     occasions, in each case by way of simultaneous single drawdowns under each
     of the Credit Facilities by giving to the Agent an irrevocable notice
     ("Drawdown Notice") in accordance with Section 3.07 and specifying
 
  (i)   the date such Accommodations are to be made available and the type
        and aggregate amount of Accommodation to be made available under each
        Credit Facility; and
 
  (ii)  the details of any irrevocable authorization and direction with
        respect to the disbursement of the proceeds of such drawdowns."
 
2.08  Two Borrowings for each Credit Facility.  Section 4.02 of the Credit
Agreement is hereby deleted and replaced with the following:
 
     "4.02  Two Borrowings for each Credit Facility.  For greater certainty,
     there shall only be two Borrowings with respect to each Credit Facility
     and, after the second of the drawdowns with respect to each Credit Facility
     pursuant to this agreement, there shall continue to be only two Borrowings
     with respect to each Credit Facility. Accommodations expressed from time to
     time as Loans, rollovers of Accommodations pursuant to Article 5 and
     conversions from one type of Accommodation to another pursuant to Article 6
     represent variations only in the terms of the two outstanding Borrowings
     with respect to each Credit Facility that are each continuous obligations."
 
2.09  Standby Fee.  Article 7 of the Credit Agreement is hereby amended by
adding the following immediately after Section 7.06:
 
     "7.07.  Standby Fees.  On the last day of each Fiscal Quarter,
 
   (a)  the Borrower shall pay to the Facility A Lenders, in arrears, a
        standby fee calculated at the rate per annum, on the basis of a year of
        365 days or 366 days in the case of a leap year, equal to 0.375% on the
        average daily amount of the Available Facility A Credit, such fee to
        accrue daily from November 15, 1995; and
 
   (b)  the Borrower shall pay to the Facility B Lenders, in arrears, a
        standby fee calculated at the rate per annum, on the basis of a year of
        365 days or 366 days in the case of a leap year, equal to 0.375% on the
        average daily amount of the Available Facility B Credit, such fee to
        accrue daily from November 15, 1995.
 
     Each of such fees shall be non-refundable and shall be fully earned when
     due."
 
2.10  Repayments under Credit Facility A.  Section 9.01 of the Credit Agreement
is hereby amended to read as follows:
 
     9.01  Repayments under Credit Facility A.  Subject to Section 9.05, the
     Borrower shall repay to the Facility A Lenders the outstanding
     Accommodation under Credit Facility A in four semi-annual instalments of
     U.S. $44,400,000 each on December 31 and June 30 in each year, the first of
     such instalments being on December 31, 1995 and the last of such
     instalments being on June 30, 1997, and six semi-annual instalments of U.S.
     $50,400,000 each on December 31 and June 30 in each year, the first of
 
                                        3
<PAGE>   4
 
     such instalments being on December 31, 1997 and the last of such
     instalments being on June 30, 2000. Amounts which are repaid as aforesaid
     may not be reborrowed.
 
2.11  Repayments under Credit Facility B.  Section 9.02 of the Credit Agreement
is hereby amended to read as follows:
 
     9.02  Repayments under Credit Facility B.  Subject to Section 9.05, the
     Borrower shall repay to the Facility B Lenders the outstanding
     Accommodation under Credit Facility B in the following instalments:
 
   (a)  four semi-annual instalments of U.S. $7,000,000 each on December 31
        and June 30 in each year, the first of such instalments being on
        December 31, 1995 and the last of such instalments being on June 30,
        1997, and six semi-annual instalments of U.S. $14,930,000 each on
        December 31 and June 30 in each year, the first of such instalments
        being on December 31, 1997 and the last of such instalments being on
        June 30, 2000; and
 
   (b)  the balance of the outstanding Accommodation under Credit Facility B
        on December 28, 2000.
 
Amounts which are repaid as aforesaid may not be reborrowed.
 
2.12  Pro Rata Treatment of Repayments.  Article 9 of the Credit Agreement is
hereby amended by adding the following immediately after Section 9.05:
 
     "9.06  Pro Rata Treatment of Repayments.  Subject to the next sentence, if
     the Accommodation under Credit Facility B shall have been effected by more
     than one drawdown (a "Credit Facility B Drawdown") hereunder, each
     instalment in repayment of such Accommodation hereunder shall be and be
     deemed to be applied to the amount of each such Credit Facility B Drawdown
     pro rata according to the relative amounts of such Credit Facility B
     Drawdowns. Notwithstanding anything to the contrary in this agreement,
     other than pursuant to Section 13.01, no more than 25% of the principal
     amount of a Credit Facility B Drawdown (such amount being the "Limited
     Repayment Amount") shall be required to be repaid or prepaid or held by or
     for the benefit of the Lenders such that such principal amount would be
     actually, or be considered to have been constructively, repaid or prepaid
     for purposes of paragraph 212(l)(b)(vii) of the Income Tax Act (Canada) on
     or prior to the day following the fifth anniversary of the date of such
     Credit Facility B Drawdown (the "Post Anniversary Day"). To the extent that
     any provision of this agreement requires any repayment or prepayment
     (actual or constructive) that would result in the aggregate repayment and
     prepayment (actual or constructive) of any Credit Facility B Drawdown
     exceeding the Limited Repayment Amount for such Credit Facility B Drawdown
     on or prior to the Post Anniversary Day for such Credit Facility B
     Drawdown, the provision shall be deemed to be modified so as to require the
     repayment or prepayment of such amount in excess of the Limited Repayment
     Amount on the Post Anniversary Day."
 
2.13  Financial Reporting.  Section 11.01(a)(iv) of the Credit Agreement is
hereby deleted and replaced with the following:
 
  "(iv) within 60 days after the end of each fiscal quarter of each of
        Texasgulf, White Springs and Phosphate Holding Company, Inc., a copy of
        the unaudited consolidated financial statements of Texasgulf and, after
        the direct or indirect acquisition of all of the shares of White Springs
        by the Borrower, White Springs and Phosphate Holding Company, Inc. with
        respect thereto;"
 
2.14  Use of Proceeds.  Section 11.01(d) of the Credit Agreement is hereby
deleted and replaced with the following:
 
   (d)  Use of Proceeds.  The Borrower shall apply all of the proceeds of the
        drawdowns pursuant to Section 4.01 to directly or indirectly acquire all
        of the issued and outstanding shares of Texasgulf pursuant to the
        Acquisition Agreement and all of the issued and outstanding shares of
        White Springs pursuant to the Purchase Agreement. To the extent that the
        Borrower applies available cash in the United States to fund a portion
        of the cost of the acquisition pursuant to the Purchase Agreement, the
        Borrower may retain an equivalent amount out of the proceeds of the
        drawdowns.
 
2.15  Debt to Capital.  Section 11.01(e) of the Credit Agreement is hereby
amended by changing the reference to 0.5:1 therein to 0.55:1.
 
                                        4
<PAGE>   5
 
2.16  Capital Expenditures.  Section 11.03(c) of the Credit Agreement is hereby
amended by changing each reference to Cdn. $100,000,000 therein to U.S.
$150,000,000.
 
2.17  Events of Default.  Section 13.01(n) of the Credit Agreement is hereby
amended by inserting the words "or, after the direct or indirect acquisition of
all of the shares thereof by the Borrower, White Springs" immediately after the
word "Texasgulf".
 
2.18  Individual Commitments.  Schedule A to the Credit Agreement is hereby
deleted and replaced with Schedule A hereto.
 
2.19  Compliance Certificate.  Schedule B to the Credit Agreement is hereby
amended as follows:
 
   (a)  paragraph 1 thereof is amended by inserting the phrase ", as amended"
        in the fourth line immediately following the phrase "the Facility B
        Lenders referred to therein"; and
 
   (b)  paragraph 4 thereof is deleted and replaced with the following:
 
        4.  As of the last day of or for the [Fiscal Quarter/Fiscal Year] ending
           --   , 19 -- , the amounts and financial ratios referred to in
        Sections 11.01(e) and 11.01(f) and Sections 11.03(c) and (d) of the
        Credit Agreement are as follows:
 
<TABLE>
<CAPTION>
                                                                                 REQUIRED AMOUNT
                                                            ACTUAL AMOUNT            OR LIMIT
                                                          ------------------    ------------------
         <S>   <C>                                        <C>                   <C>
         (a)   Debt to Capital........................    -- :1                 0.55:1
         (b)   Fixed Charges Coverage.................    --                    Variable
         (c)   Actual Capital Expenditures............    U.S. $   --           U.S. $150,000,000
         (d)   Debt of Subsidiaries plus..............    U.S. $   --           U.S. $100,000,000
               Debt secured by Permitted Liens........
</TABLE>
 
2.20  Form of Assignment.  Schedule C to the Credit Agreement is hereby amended
by inserting the phrase ", as amended" in the second line immediately following
the phrase "April 10, 1995".
 
2.21  Organizational Chart.  Schedule E to the Credit Agreement is hereby
deleted and replaced with Schedule E hereto.
 
2.22  Partnerships, Joint Ventures and Syndicates.  Schedule F to the Credit
Agreement is hereby amended by adding thereto the contents of Schedule F hereto.
 
2.23  Specific Permitted Liens.  Schedule G to the Credit Agreement is hereby
amended by adding thereto the contents of Schedule G hereto.
 
2.24  Outstanding Defaults.  Schedule H to the Credit Agreement is hereby
amended by adding thereto the contents of Schedule H hereto.
 
2.25  Deliveries Pursuant to Credit Agreement.  For the purposes of the Credit
Agreement, this agreement and any document or instrument referred to herein
shall be deemed to be delivered pursuant to the Credit Agreement and to be
referred to in the Credit Agreement.
 
                                  ARTICLE III
                         REPRESENTATIONS AND WARRANTIES
 
3.01  Repeated Representations and Warranties.  To induce the Lenders and the
Agent to enter into this agreement and to make additional Accommodation
available to the Borrower under the Credit Agreement, the Borrower hereby
represents and warrants to the Lenders and the Agent that the representations
and warranties of the Borrower which are contained in Sections 10.01(e) to (h)
and (j) to (l) of the Credit Agreement, as the same may be amended hereby, are
true and correct as at the date of this agreement.
 
3.02  New Representations and Warranties.  To induce the Lenders and the Agent
to enter into this agreement and to make additional Accommodation available to
the Borrower under the Credit Agreement, the Borrower hereby represents and
warrants to the Lenders and the Agent as at the date of this agreement as
follows and acknowledges and confirms that the Lenders and the Agent are relying
upon such representations
 
                                        5
<PAGE>   6
 
and warranties in executing this agreement and in making additional
Accommodation available under the Credit Agreement:
 
   (a)  Status and Power.  The Borrower is a corporation duly incorporated and
        organized and validly subsisting in good standing under the laws of the
        Province of Saskatchewan. Immediately after the direct or indirect
        acquisition of all of the shares of White Springs by the Borrower, each
        of White Springs and WSP will be a corporation duly incorporated and
        organized and validly subsisting in good standing under the laws of the
        State of Delaware. The Borrower is and, immediately after the direct or
        indirect acquisition of all of the shares of White Springs by the
        Borrower, each of White Springs and WSP will be duly qualified,
        registered or licensed in all jurisdictions where such qualification,
        registration or licensing is required. The Borrower has and, immediately
        after the direct or indirect acquisition of all of the shares of White
        Springs by the Borrower, each of White Springs and WSP will have all
        requisite corporate capacity, power and authority to own, hold under
        licence or lease its properties and to carry on its business as now
        conducted (in the case of the Borrower) or as then conducted (in the
        case of White Springs and WSP). The Borrower has all requisite corporate
        capacity, power and authority to enter into and carry out the
        transactions contemplated by this agreement. Neither the Borrower nor,
        immediately after the direct or indirect acquisition of all of the
        shares of White Springs by the Borrower, White Springs or WSP is or will
        be, as the case may be, an "investment company" within the meaning of
        the Investment Company Act of 1940 of the United States, as amended, or
        a "holding company", or a "subsidiary company" of a "holding company",
        or an "affiliate" of a "holding company" or of a "subsidiary company" of
        a "holding company" within the meaning of the Public Utility Holding
        Company Act of 1935 of the United States, as amended.
 
   (b)  Authorization and Enforcement.  All necessary action, corporate or
        otherwise, has been taken to authorize the execution, delivery and
        performance by the Borrower of this agreement. The Borrower has duly
        executed and delivered this agreement. This agreement is a legal, valid
        and binding obligation of the Borrower enforceable against the Borrower
        by the Agent and the Lenders in accordance with its terms, subject to
        the qualifications contained in the opinion of the Borrower's counsel
        delivered pursuant to Section 4.02(d)(vi) hereof.
 
   (c)  Compliance with Other Instruments.  The execution, delivery and
        performance by the Borrower of this agreement and the consummation of
        the transactions contemplated herein do not conflict with, result in any
        breach or violation of, or constitute a default under the terms,
        conditions or provisions of the charter or constating documents or
        by-laws of, or any unanimous shareholder agreement relating to, the
        Borrower or of any law, regulation, judgment, decree or order binding on
        or applicable to the Borrower or to which its property is subject or of
        any material agreement, lease, licence, permit or other instrument to
        which the Borrower is a party or is otherwise bound or by which the
        Borrower benefits or to which its property is subject and do not require
        the consent or approval of any Official Body or any other party except
        for the consents or approvals which are required for the completion of
        the transactions contemplated by the Purchase Agreement.
 
   (d)  Purchase Agreement.  The Purchase Agreement is a legal, valid and
        binding obligation of Occidental Chemical Corporation, enforceable by
        Phosphate Holding Company, Inc. against Occidental Chemical Corporation
        in accordance with its terms.
 
                                   ARTICLE IV
                                   CONDITIONS
 
4.01  Conditions Precedent to Borrowings.  The obligation of the Lenders to make
Borrowings available under the Credit Facilities for the purpose of financing
the purchase of all the shares of White Springs is
 
                                        6
<PAGE>   7
 
subject to fulfilment of the following conditions precedent at the time such
Borrowing is made available and Article 12 of the Credit Agreement is amended
accordingly:
 
   (a)  no Default has occurred and is continuing or would arise immediately
        after giving effect to or as a result of such Borrowing being made
        available;
 
   (b)  the Borrower shall have complied with the requirements of Article 4 of
        the Credit Agreement in respect of such Borrowing and such Borrowing
        shall be requested to be made available on or before December 27, 1995;
 
   (c)  the representations and warranties of the Borrower contained in
        Article III hereof shall be true and correct in all material respects on
        the date of such Borrowing as if such representations and warranties
        were made on such date;
 
   (d)  the Agent has received, in form and substance satisfactory to the
        Agent:
 
       (i)   a duly certified resolution of the executive committee of the
             board of directors of the Borrower authorizing the Borrower to
             execute, deliver and perform its obligations under this agreement;
 
       (ii)  a duly certified resolution of the board of directors of the
             Borrower creating and establishing the authority of the executive
             committee;
 
       (iii) a certificate of a senior officer of the Borrower setting forth
             specimen signatures of the individuals authorized to sign this
             agreement on behalf of the Borrower;
 
        (iv) a certificate of a senior officer of the Borrower certifying (A)
             that, to the best of his knowledge after due inquiry, no Default
             has occurred and is continuing or would arise immediately after
             giving effect to or as a result of such Borrowing and (B) the ratio
             of Debt to Capital after giving effect to such Borrowing and the
             completion of the transaction contemplated by the Purchase
             Agreement;
 
        (v)  an opinion of the Borrower's General Counsel in substantially the
             form of Appendix 1 hereto;
 
        (vi) an opinion of the Borrower's Ontario counsel in substantially the
             form of Appendix 2 hereto;
 
       (vii) a notarial copy of the Purchase Agreement; and
 
      (viii) an opinion of the Agent's counsel with respect to such matters as
             may be reasonably required in connection with the transactions
             hereunder;
 
   (e)  the Borrower shall have paid a fee of U.S. $280,000 to the Agent for
        distribution to each of the Lenders pro rata in accordance with the
        relative increases in their Individual Commitments since September 13,
        1995;
 
   (f)  Phosphate Holding Company, Inc. shall contemporaneously acquire all of
        the issued and outstanding shares of White Springs in accordance with
        the Purchase Agreement; such acquisition shall have been completed in
        accordance with all applicable laws and all necessary consents,
        approvals or authorizations from all Official Bodies with respect to
        such acquisition shall have been obtained; and
 
   (g)  all aspects of the transaction under the Purchase Agreement will be
        concurrently completed to the Agent's satisfaction.
 
4.02  Waiver.  The terms and conditions of Section 4.01 are inserted for the
sole benefit of the Agent and the Lenders and the Agent with the approval of the
Majority Lenders may waive such terms and conditions in whole or in part, with
or without terms or conditions.
 
                                        7
<PAGE>   8
 
                                   ARTICLE V
                                 MISCELLANEOUS
 
5.01  Future References.  On and after the effective date of this agreement,
each reference in the Credit Agreement to "this Agreement", "hereunder",
"hereof ", or words of like import referring to the Credit Agreement, and each
reference in any related document to the "Credit Agreement", "thereunder",
"thereof ", or words of like import referring to the Credit Agreement, shall
mean and be a reference to the Credit Agreement as amended hereby, and each such
related document is hereby amended accordingly. The Credit Agreement, as amended
hereby, is and shall continue to be in full force and effect and is hereby in
all respects ratified and confirmed.
 
5.02  Governing Law.  This agreement shall be governed by and construed in
accordance with the laws of the Province of Ontario.
 
5.03  Enurement.  This agreement shall enure to the benefit of and shall be
binding upon the parties hereto and their respective successors and permitted
assigns.
 
5.04  Conflict.  If any provision of this agreement is inconsistent or conflicts
with any provision of the Credit Agreement, the relevant provision of this
agreement shall prevail and be paramount.
 
5.05  Further Assurances.  The Borrower shall do, execute and deliver or shall
cause to be done, executed and delivered all such further acts, documents and
things as the Agent may reasonably request for the purpose of giving effect to
this agreement and to each and every provision hereof.
 
5.06  Counterparts.  This agreement may be executed in one or more counterparts,
each of which shall be deemed to be an original and all of which taken together
shall be deemed to constitute one and the same instrument.
 
     IN WITNESS WHEREOF the parties hereto have executed this agreement.
 
                                          THE BANK OF NOVA SCOTIA, as Agent,
                                          as Facility A Lender and
                                          as Facility B Lender
 
                                          By: /s/
                                              ------------------------------ 
                                          By: /s/
                                              ------------------------------

                                          ABN AMRO BANK CANADA
 
                                          By: /s/
                                              ------------------------------
                                          By: /s/
                                              ------------------------------

                                          BANK OF AMERICA CANADA
 
                                          By: /s/
                                              ------------------------------
                                          By:
                                              ------------------------------

                                        8
<PAGE>   9
 
                                          BANK OF AMERICA NATIONAL TRUST &
                                          SAVINGS ASSOCIATION
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          BANK OF MONTREAL
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------
 
                                          BANQUE NATIONALE DE PARIS (CANADA)
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          BANQUE NATIONALE DE PARIS
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          CANADIAN IMPERIAL BANK OF COMMERCE
 
                                          By: /s/
                                              ------------------------------ 
                                          By: /s/
                                              ------------------------------

                                          CITIBANK CANADA
    
                                          By: /s/
                                              ------------------------------
                                          By:
                                              ------------------------------
 
                                          CITIBANK, N.A.
 
                                          By: /s/
                                              ------------------------------
                                          By:
                                              ------------------------------
 
                                        9
<PAGE>   10
 
                                          CREDIT LYONNAIS CANADA
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          CREDIT LYONNAIS ATLANTA AGENCY AND
                                          CREDIT LYONNAIS CAYMAN ISLAND BRANCH
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          CREDIT SUISSE CANADA
 
                                          By: /s/
                                              ------------------------------ 
                                          By: /s/
                                              ------------------------------

                                          DAI-ICHI KANGYO BANK (CANADA)
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          THE DAI-ICHI KANGYO BANK, LTD.
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          DEUTSCHE BANK CANADA
 
                                          By: /s/
                                              ------------------------------
                                          By: /s/
                                              ------------------------------
 
                                          DRESDNER BANK CANADA
 
                                          By: /s/
                                              ------------------------------ 
                                          By: /s/
                                              ------------------------------

                                       10
<PAGE>   11
 
                                          FUJI BANK CANADA
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          THE FUJI BANK, LIMITED
 
                                          By: /s/
                                              ------------------------------
                                          By:
                                              ------------------------------
 
                                          HARRIS TRUST & SAVINGS BANK
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          THE INDUSTRIAL BANK OF JAPAN (CANADA)
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          THE INDUSTRIAL BANK OF JAPAN, LIMITED
 
                                          By: /s/
                                              ------------------------------
                                          By:
                                              ------------------------------
 
                                          MELLON BANK CANADA
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          MITSUBISHI BANK OF CANADA
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                       11
<PAGE>   12
 
                                          J.P. MORGAN CANADA
                                          (Formerly MORGAN BANK OF CANADA)
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          MORGAN GUARANTY TRUST COMPANY OF NEW
                                          YORK
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          NBD BANK, CANADA
 
                                          By: /s/
                                              ------------------------------ 
                                          By: /s/
                                              ------------------------------

                                          NBD BANK
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          THE NIPPON CREDIT BANK, LTD.
 
                                          By: /s/
                                              ------------------------------
                                          By: /s/
                                              ------------------------------

                                          ROYAL BANK OF CANADA
 
                                          By: /s/
                                              ------------------------------ 
                                          By:
                                              ------------------------------

                                          SAKURA BANK (CANADA)
 
                                          By: /s/
                                              ------------------------------
                                          By: /s/
                                              ------------------------------

                                       12
<PAGE>   13

                             SANWA BANK CANADA

                             By: /s/
                                 --------------------------------------------   
                             By:
                                 --------------------------------------------   

                             SOCIETE GENERALE (CANADA)

                             By: /s/
                                 --------------------------------------------   
                             By:
                                 --------------------------------------------   

                             THE SUMITOMO BANK OF CANADA

                             By: /s/
                                 --------------------------------------------   
                             By: /s/
                                 --------------------------------------------   

                             THE TORONTO-DOMINION BANK

                             By: /s/
                                 --------------------------------------------   
                             By:
                                 --------------------------------------------   

                             UNION BANK OF SWITZERLAND (CANADA)

                             By: /s/
                                 --------------------------------------------   
                             By: /s/
                                 --------------------------------------------   

                             POTASH CORPORATION OF SASKATCHEWAN
                             INC.

                             By: /s/
                                 --------------------------------------------   
                             By: /s/
                                 --------------------------------------------   
 
                                       13
<PAGE>   14
 
                                   Schedule A
 
                             Individual Commitments
 
<TABLE>
<CAPTION>
             Name and Address of Lender                         Individual Commitment
- - -----------------------------------------------------  ----------------------------------------
<S>             <C>                                    <C>                          <C>
ABN AMRO Bank Canada                                   Credit Facility A:           $12,800,000
Suite 2500 Vancouver Centre                            Credit Facility B:           $14,800,000
650 West Georgia Street
Vancouver, B.C. B6B 4N8
Attention:      Robert Duffield
                Assistant Vice President
Telefax:        (604) 682-2936
- - -----------------------------------------------------------------------------------------------
Bank of America Canada                                 Credit Facility A:           $22,300,000
855 Second Street S.W.                                 Credit Facility B:           nil
Suite 1900
Calgary, Alberta T2P 4J7
Attention:      Mr. Doug B. Linkletter
                Vice President & Manager
Telefax:        (403) 232-8848
- - -----------------------------------------------------------------------------------------------
Bank of America National Trust                         Credit Facility A:           nil
& Savings Association                                  Credit Facility B:           $25,900,000
500 Ellinwood Way, Ste. 100
Pleasant Hill, California
U.S.A. 94523
Attention:      Ms. Ines Romo, Loan Administrator
Telefax:        (510) 603-3142
- - -----------------------------------------------------------------------------------------------
Bank of Montreal                                       Credit Facility A:           $25,600,000
First Canadian Place, 24th Floor                       Credit Facility B:           nil
Toronto, Ontario M5X 1A1
Attention:      Mr. Jim Baidacoff, Director
                Natural Resources Lending
Telefax:        (416) 867-5818
- - -----------------------------------------------------------------------------------------------
The Bank of Nova Scotia                                Credit Facility A:           $32,000,000
Corporate Banking                                      Credit Facility B:           $37,100,000
3820, 700 2nd Street S.W. P.O. Box 2540
Calgary, Alberta T2P 2N7
Attention:      Unit Head
                Corporate Banking-Calgary
Telefax:        (403) 221-6497
- - -----------------------------------------------------------------------------------------------
</TABLE>
 
                                       14
<PAGE>   15
 
<TABLE>
<CAPTION>
             Name and Address of Lender                         Individual Commitment
- - -----------------------------------------------------  ----------------------------------------
<S>             <C>                                    <C>                          <C>
Banque Nationale de Paris (Canada)                     Credit Facility A:           $12,900,000
36 Toronto Street, Suite 750                           Credit Facility B:           nil
Toronto, Ontario M5C 2C5
Attention:      Tanneguy de Carne, Vice-President
                & Deputy General Manager
Telefax:        (416) 947-3541
- - -----------------------------------------------------------------------------------------------
Banque Nationale de Paris                              Credit Facility A:           nil
209 South LaSalle Street                               Credit Facility B:           $14,800,000
Chicago, Illinois
U.S.A. 60604
Attention:      Michelle Tolliver, Vice-President
Telefax:        (312) 977-1380
- - -----------------------------------------------------------------------------------------------
Canadian Imperial Bank of Commerce                     Credit Facility A:           $22,300,000
701-201 21st Street East                               Credit Facility B:           $25,900,000
Saskatoon, Saskatchewan S7K 0B8
Attention:      Kevin Dyer
                Senior Account Manager
Telefax:        (306) 668-3360
- - -----------------------------------------------------------------------------------------------
Citibank Canada                                        Credit Facility A:           $25,200,000
Corporate Finance                                      Credit Facility B:           nil
Citibank Place
10th Floor, 123 Front Street West
Toronto, Ontario M5J 2M3
Attention:      Wayne R. Townsend, Vice-President
Telefax:        (416) 947-5674
- - -----------------------------------------------------------------------------------------------
Citibank N.A.                                          Credit Facility A:           nil
399 Park Avenue                                        Credit Facility B:           $29,400,000
New York, New York 10043
Attention:      Olga R. Girod, Vice President
Telefax:        (212) 793-3647
- - -----------------------------------------------------------------------------------------------
Credit Lyonnais Canada                                 Credit Facility A:           $22,300,000
1 Financial Place                                      Credit Facility B:           nil
1 Adelaide St. E., Suite 2505
Toronto, Ontario M5C 2V9
Attention:      Mr. Mike Manion
                Vice President
Telefax:        (416) 947-9471
- - -----------------------------------------------------------------------------------------------
</TABLE>
 
                                       15
<PAGE>   16
 
<TABLE>
<CAPTION>
             Name and Address of Lender                         Individual Commitment
- - -----------------------------------------------------  ----------------------------------------
<S>             <C>                                    <C>                          <C>
Credit Lyonnais Atlanta Agency and                     Credit Facility A:           nil
Credit Lyonnais Cayman Island Branch                   Credit Facility B:           $25,700,000
One Peachtree Center
303 Peachtree Street, N.E.
Suite 4400
Atlanta, Georgia U.S.A. 30308
Attention:      Gerald Finney, Assistant Treasurer
                David Edge, Vice President
Telefax:        (404) 584-5249
- - -----------------------------------------------------------------------------------------------
Credit Suisse Canada                                   Credit Facility A:           $12,800,000
400 Burrard Avenue                                     Credit Facility B:           $14,800,000
Suite 1610
Vancouver, B.C. V6C 3A6
Attention:      Phil Lunn, Associate
Telefax:        (604) 684-7917
- - -----------------------------------------------------------------------------------------------
Dai-Ichi Kangyo Bank (Canada)                          Credit Facility A:           $10,000,000
Commerce Court West                                    Credit Facility B:           nil
Suite 5025, P.O. Box 295
Toronto, Ontario M5L 1H9
Attention:      Robin E. Dunbar, Vice-President
Telefax:        (416) 365-7314
- - -----------------------------------------------------------------------------------------------
The Dai-Ichi Kangyo Bank, Ltd.                         Credit Facility A:           nil
One World Trade Center                                 Credit Facility B:           $14,800,000
48th Floor
New York, New York U.S.A. 10048
Attention:      Mathew G. Murphy, Vice President
Telefax:        (212) 524-0579
- - -----------------------------------------------------------------------------------------------
Deutsche Bank Canada                                   Credit Facility A:           $25,200,000
P.O. Box 196, Suite 1200                               Credit Facility B:           $29,400,000
222 Bay Street
Toronto, Ontario M5K 1H6
Attention:      Francois Wentzel
Telefax:        (416) 367-3290
- - -----------------------------------------------------------------------------------------------
Dresdner Bank Canada                                   Credit Facility A:           $12,600,000
Suite 1700                                             Credit Facility B:           $25,700,000
2 First Canadian Place
P.O. Box 430
Toronto, Ontario M5X 1E3
Attention:      John O'Connell
Telefax:        (416) 369-8362
- - -----------------------------------------------------------------------------------------------
</TABLE>
 
                                       16
<PAGE>   17
 
<TABLE>
<CAPTION>
             Name and Address of Lender                         Individual Commitment
- - -----------------------------------------------------  ----------------------------------------
<S>             <C>                                    <C>                          <C>
Fuji Bank Canada                                       Credit Facility A:           $12,600,000
BCE Place, Canada Trust Tower                          Credit Facility B:           nil
P.O. Box 609, Suite 2800
161 Bay Street
Toronto, Ontario M5J 2S1
Attention:      John Bailey
Telefax:        (416) 865-9618
- - -----------------------------------------------------------------------------------------------
The Fuji Bank, Limited                                 Credit Facility A:           nil
Marquis One Tower, Suite 2100                          Credit Facility B:           $14,700,000
245 Peachtree Center Avenue, N.E.
Atlanta, Georgia U.S.A. 30303-1208
Attention:      Clarence J. Mahovlich
Telefax:        (404) 653-2119
- - -----------------------------------------------------------------------------------------------
Harris Trust & Savings Bank                            Credit Facility A:           nil
Agribusiness Division                                  Credit Facility B:           $29,600,000
111 West Monroe Street
Chicago, Illinois -- 60690-0755
U.S.A.
Attention:      Mr. Carl A. Blackham, Vice President
Telefax:        (312) 765-8095
- - -----------------------------------------------------------------------------------------------
The Industrial Bank of Japan (Canada)                  Credit Facility A:           $22,100,000
Box 29, Suite 1102                                     Credit Facility B:           nil
100 Yonge Street
Toronto, Ontario M5C 2W1
Attention:      A. Mabuchi
Telefax:        (416) 367-3452
- - -----------------------------------------------------------------------------------------------
The Industrial Bank of Japan, Limited,                 Credit Facility A:           nil
Atlanta Agency                                         Credit Facility B:           $25,800,000
One Ninety One Peachtree Tower
Suite 3600, 191 Peachtree St. N.E.
Atlanta, Georgia U.S.A. 30303-1757
Attention:      Harold LaCount, Vice President
Telefax:        (404) 524-8509
- - -----------------------------------------------------------------------------------------------
Mellon Bank Canada                                     Credit Facility A:           $22,100,000
Royal Trust Tower                                      Credit Facility B:           nil
Suite 3200
Toronto-Dominion Centre
Toronto, Ontario M5K 1K2
Attention:      Joe Cavanaugh
Telefax:        (416) 860-2409
- - -----------------------------------------------------------------------------------------------
</TABLE>
 
                                       17
<PAGE>   18
 
<TABLE>
<CAPTION>
             Name and Address of Lender                         Individual Commitment
- - -----------------------------------------------------  ----------------------------------------
<S>             <C>                                    <C>                          <C>
Mitsubishi Bank of Canada                              Credit Facility A:           $12,800,000
Suite 48, Granville Square                             Credit Facility B:           $14,800,000
200 Granville Street
Vancouver, British Columbia V6C 1S4
Attention:      Davis J. Stewart, Vice President
Telefax:        (604) 683-4018
- - -----------------------------------------------------------------------------------------------
Morgan Bank of Canada                                  Credit Facility A:           $12,600,000
Suite 2200, South Tower                                Credit Facility B:           nil
Royal Bank Plaza
Toronto, Ontario M5J 2J2
Attention:      Andrew G. Shelton, President
Telefax:        (416) 981-9278
- - -----------------------------------------------------------------------------------------------
Morgan Guaranty Trust Company of New York              Credit Facility A:           nil
60 Wall Street                                         Credit Facility B:           $14,700,000
New York, New York U.S.A. 10260-0060
Attention:      Charles H. King, Vice President
Telefax:        (212) 648-5336
- - -----------------------------------------------------------------------------------------------
NBD Bank, Canada                                       Credit Facility A:           $12,500,000
BCE Place, P.O. Box 613                                Credit Facility B:           nil
161 Bay Street, Suite 4240
Toronto, Ontario M5J 2S1
Attention:      Janet A. Beadle
                Assistant Vice President
Telefax:        (416) 363-7574
- - -----------------------------------------------------------------------------------------------
NBD Bank                                               Credit Facility A:           nil
611 Woodward Avenue                                    Credit Facility B:           $14,800,000
Detroit, Michigan U.S.A. 48226
Attention:      Mr. Carl Skoog, Second Vice President
                Energy and Minerals Group
Telefax:        (313) 225-2649
- - -----------------------------------------------------------------------------------------------
The Nippon Credit Bank, Ltd.                           Credit Facility A:           nil
Los Angeles Agency                                     Credit Facility B:           $14,800,000
550 South Hope St.
Suite 2500
Los Angeles, CA 90071
Attention:      Robert Combs, Vice President
Telefax:        (213) 892-0111
- - -----------------------------------------------------------------------------------------------
</TABLE>
 
                                       18
<PAGE>   19
 
<TABLE>
<CAPTION>
             Name and Address of Lender                         Individual Commitment
- - -----------------------------------------------------  ----------------------------------------
<S>             <C>                                    <C>                          <C>
Royal Bank of Canada                                   Credit Facility A:           $25,600,000
Saskatoon Business Centre                              Credit Facility B:           $29,600,000
154-1st Avenue South
4th Floor
Saskatoon, Saskatchewan S7K 1K2
Attention:      Phil K. Klein, Senior Account Manager
Telefax:        (306) 665-0112
- - -----------------------------------------------------------------------------------------------
Sakura Bank (Canada)                                   Credit Facility A:           $12,800,000
Suite No. 3131                                         Credit Facility B:           $14,800,000
Three Bentall Centre
P.O. Box 49331
595 Burrard Street
Vancouver, B.C. V7X 1L4
Attention:      James M. Gallagher, Vice President
Telefax:        (604) 668-3593
- - -----------------------------------------------------------------------------------------------
Sanwa Bank Canada                                      Credit Facility A:           $22,300,000
BCE Place, Canada Trust Tower                          Credit Facility B:           $25,000,000
P.O. Box 525, Suite 4400
161 Bay Street
Toronto, Ontario M5J 2S1
Attention:      Tony Baratta, Manager
Telefax:        (416) 366-8599
- - -----------------------------------------------------------------------------------------------
Societe Generale (Canada)                              Credit Facility A:           $25,200,000
100 Yonge Street, Suite 1002                           Credit Facility B:           $29,400,000
Toronto, Ontario M5C 2W1
Attention:      Robert Sadokierski
Telefax:        (416) 364-9996
- - -----------------------------------------------------------------------------------------------
The Sumitomo Bank of Canada                            Credit Facility A:           $12,600,000
Ernst & Young Tower                                    Credit Facility B:           $14,700,000
Toronto Dominion Centre
Suite 1400, P.O. Box 172
Toronto, Ontario M5K 1H6
Attention:      Alfred Lee, Vice President
Telefax:        (416) 367-3565
- - -----------------------------------------------------------------------------------------------
The Toronto-Dominion Bank                              Credit Facility A:           $25,600,000
Corporate and Investment Banking Group                 Credit Facility B:           $29,600,000
55 King Street West
8th Floor, T-D Centre
Toronto, Ontario M5K 1A2
Attention:      A.G. Fraser
Telefax:        (416) 944-5630
- - -----------------------------------------------------------------------------------------------
</TABLE>
 
                                       19
<PAGE>   20
 
<TABLE>
<CAPTION>
             Name and Address of Lender                         Individual Commitment
- - -----------------------------------------------------  ----------------------------------------
<S>             <C>                                    <C>                          <C>
Union Bank of Switzerland (Canada)                     Credit Facility A:           $25,200,000
154 University Avenue                                  Credit Facility B:           $29,400,000
Toronto, Ontario M5H 3Z4
Attention:      Larry Maloney, Vice President
Telefax:        (416) 343-1700
- - -----------------------------------------------------------------------------------------------
</TABLE>
 
                                       20

<PAGE>   1
 
                                                                   Exhibit 10(x)
 
                              AMENDMENT NUMBER ONE
 
                                       TO
 
                        FACILITY AND SERVICES AGREEMENT
 
                                AMMONIA TERMINAL
 
                                PASADENA, TEXAS
 
     This Amendment Number One dated as of April 17, 1996 by and between
OCCIDENTAL CHEMICAL CORPORATION, a New York corporation with offices at 5005 LBJ
Freeway, Dallas, Texas 75244, and WHITE SPRINGS AGRICULTURAL CHEMICALS, INC., a
Delaware corporation with offices at 183 County Road 137, White Springs, Florida
32096 hereby amends the Facility and Services Agreement dated as of October 31,
1995 (the "Facilities and Services Agreement") by and between the same parties.
 
     WHEREAS, OxyChem (as such term and certain other terms used with initial or
solid capital letters in the Facilities and Services Agreement) and WSA have
entered into this Amendment Number One to provide that WSA shall complete
certain construction originally to be performed by OxyChem under the Facilities
and Services Agreement.
 
     NOW THEREFORE, in consideration of the payment of $328,000 to WSA by
OxyChem concurrent with the execution hereof, the receipt and sufficiency of
which are hereby acknowledged, OxyChem and WSA mutually agree as follows:
 
                                   ARTICLE I
 
     The capitalized terms used in the Facilities and Services Agreement and not
otherwise defined herein are used herein as defined in the Facilities and
Services Agreement, provided, however, the capitalized term "Agreement" shall
mean the Facilities and Services Agreement as amended by this Amendment Number
One.
 
                                   ARTICLE II
 
     The following Sections of the Facilities and Services Agreement shall be
amended in the following manner.
 
Section 2.6.2                Substitute the following for the first sentence of
                             Section 2.6.2:
 
                             "WSA shall own the Ammonia Truck Loading Station
                             that OxyChem has commenced to build and that WSA
                             shall promptly complete as an improvement of a WSA
                             facility hereunder at WSA's sole cost and expense
                             for all costs and expenses incurred after October
                             31, 1995, on the Fee Property, provided, however,
                             that such ownership shall not entitle WSA (i) to
                             load more than one truck at any one time at both
                             the Ammonia Truck Loading Stations mentioned in
                             this Section 2.6, or (ii) to have more than three
                             trucks on the Plant Property at any one time."
 
Section 2.11.2               Substitute the following for Section 2.11.2:
 
                             "New Office Building".  Notwithstanding anything to
                             the contrary in this Article II, WSA shall have the
                             exclusive right to use, operate and maintain the
                             Office Building that WSA shall promptly commence to
                             build and promptly complete as an improvement of a
                             WSA facility hereunder at WSA's sole cost and
                             expense, at the location indicated on Annex VI
                             attached hereto and incorporated herein.
 
                                        1
<PAGE>   2
 
                                  ARTICLE III
 
     This Amendment Number One may be executed in any number of counterparts,
each of which when so executed shall be deemed an original, but all of which
together shall constitute one and the same instrument.
 
                                   ARTICLE IV
 
     Except as specifically modified by this Amendment Number One all of the
other terms and conditions of the Facilities and Services Agreement, as modified
by written agreement amongst the Parties, shall remain in full force and effect.
 
     IN WITNESS WHEREOF, each of the Parties hereto has caused this Amendment
Number One to be signed in its corporate name by its duly authorized officer, as
of the date first above written.
 
                                          OCCIDENTAL CHEMICAL CORPORATION
 
                                          By: /s/
                                              ------------------------------
                                          Name: Fred J. Gruberth
                                          Title: Vice-President & Treasurer
 
                                          WHITE SPRINGS AGRICULTURAL
                                          CHEMICALS, INC.
 
                                          By: /s/
                                              ------------------------------
                                          Name: John L. M. Hampton
                                          Title: Secretary
 
                                        2

<PAGE>   1
 
                                                                      Exhibit 11
 
                    Potash Corporation of Saskatchewan Inc.
 
                       Computation of Per Share Earnings
                        For the Quarters ended March 31
  (Figures and amounts expressed in thousands, except per share and per option
                                    amounts)
 
<TABLE>
<CAPTION>
                                                                           Q1- 1996    Q1- 1995
                                                                           -------     -------
<S>  <C>                                                                   <C>         <C>
A    Net Income as reported, Canadian GAAP.............................    63,678      51,475
B    Items adjusting net income........................................    (3,227 )         0
C    Net income, US GAAP (A+B).........................................    60,451      51,475
D    Weighted average number of shares outstanding.....................    45,484      42,995
E    Options outstanding to purchase equivalent shares.................     1,292       1,022
F    Average exercise price per option.................................     43.57       34.74
G    Average market price per share....................................     70.35       38.42
H    Period end market price per share.................................     62.50       44.50
I    Rate of Return available on option proceeds.......................      0.05        0.05
Canadian GAAP
     Basic earnings per share (A/D)....................................      1.40        1.20
     Fully diluted earnings per share
J    Imputed earnings on option proceeds (E*F*I).......................     2,813       1,775
     Fully diluted earnings per share ((A+J)/(D+E))....................      1.42        1.21
United States GAAP
     Primary earnings per share
K    Net additional shares issuable (E-(E*F/G))........................       492          98
     Primary earnings per share (C/(D+K))..............................      1.31        1.19
     Fully diluted earnings per share
L    Net additional shares issuable (E-(E*F/H))........................       391         224
     Fully diluted earnings per share (C/(D+L))........................      1.32        1.19
D+K  Weighted average shares for US GAAP...............................    45,976      43,093
</TABLE>
 
                                        1

<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                                  203,496
<ALLOWANCES>                                   (4,440)
<INVENTORY>                                    235,380
<CURRENT-ASSETS>                               460,685
<PP&E>                                       2,492,878
<DEPRECIATION>                               (476,271)
<TOTAL-ASSETS>                               2,525,099
<CURRENT-LIABILITIES>                          249,766
<BONDS>                                        714,417
                                0
                                          0
<COMMON>                                       629,477
<OTHER-SE>                                     666,096
<TOTAL-LIABILITY-AND-EQUITY>                 1,295,573
<SALES>                                        366,871
<TOTAL-REVENUES>                               366,871
<CGS>                                          256,071
<TOTAL-COSTS>                                  256,071
<OTHER-EXPENSES>                                23,678
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              13,842
<INCOME-PRETAX>                                 73,280
<INCOME-TAX>                                     9,602
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    63,678
<EPS-PRIMARY>                                     1.40
<EPS-DILUTED>                                     1.42
        

</TABLE>


© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission