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Pioneer Stock Price History

History of stock prices and splits prior to the merger with DuPont on March 15, 1999.

Month Year Closing Stock Price Apr-76 3 for 2 split Mar-82 2 for 1 split Jul-92 3 for 1 split Mar-98 3 for 1 split
September

1973*

$27.00

$18.00

$9.00

$3.00

$1.00
August

1974

$26.13

$17.42

$8.71

$2.90

$0.97
August

1975

$25.50

$17.00

$8.50

$2.83

$0.94
August

1976

$17.88

$17.88

$8.94

$2.98

$0.99
August

1977

$21.88

$21.88

$10.94

$3.65

$1.22
August

1978

$22.50

$22.50

$11.25

$3.75

$1.25
August

1979

$25.25

$25.25

$12.63

$4.21

$1.40
August

1980

$30.13

$30.13

$15.06

$5.02

$1.67
August

1981

$43.00

$43.00

$21.50

$7.17

$2.39
August

1982

$21.25

$21.25

$21.25

$7.08

$2.36
August

1983

$31.00

$31.00

$31.00

$10.33

$3.44
August

1984

$31.00

$31.00

$31.00

$10.33

$3.44
August

1985

$31.50

$31.50

$31.50

$10.50

$3.50
August

1986

$35.50

$35.50

$35.50

$11.83

$3.94
August

1987

$35.75

$35.75

$35.75

$11.92

$3.97
August

1988

$35.25

$35.25

$35.25

$11.75

$3.92
August

1989

$42.00

$42.00

$42.00

$14.00

$4.67
August

1990

$39.75

$39.75

$39.75

$13.25

$4.42
August

1991

$52.25

$52.25

$52.25

$17.42

$5.81
August

1992

$26.50

$26.50

$26.50

$26.50

$8.83
August

1993

$32.75

$32.75

$32.75

$32.75

$10.92
August

1994

$31.25

$31.25

$31.25

$31.25

$10.42
August

1995

$43.00

$43.00

$43.00

$43.00

$14.33
August

1996

$55.13

$55.13

$55.13

$55.13

$18.38
August

1997

$85.69

$85.69

$85.69

$85.69

$28.56
August

1998

$33.75

$33.75

$33.75

$33.75

$33.75
September

1999**

$38.44

$38.44

$38.44

$38.44

$38.44

* Initial offering price.
** September 13, 1999 price.

The stock exchange for Pioneer to DuPont stock at the time of the merger was .6561.

Last Modified:January 2, 2008