QuickLinks -- Click here to rapidly navigate through this documentExhibit 99.1
5 August 2004
Autonomy Corporation plc
Purchase of own shares
Autonomy Corporation plc today announces that on 4 August 2004 it purchased for cancellation 75,000 Ordinary Shares of 1/3p each at an average price of 163.9p per share.
For further information, please contact:
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Autonomy Corporation plc
Ian Black
+44 (0) 1223 448000
ianb@autonomy.com | | Financial Dynamics
Edward Bridges
+44 207 831 3113
edward.bridges@fd.com |
9 August 2004
Autonomy Corporation plc
Purchase of own shares
Autonomy Corporation plc today announces that on 6 August 2004 it purchased for cancellation 77,724 Ordinary Shares of 1/3p each at an average price of 156.7p per share.
For further information, please contact:
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|
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Autonomy Corporation plc
Ian Black
+44 (0) 1223 448000
ianb@autonomy.com | | Financial Dynamics
Edward Bridges
+44 207 831 3113
edward.bridges@fd.com |
10 August 2004
Autonomy Corporation plc
Purchase of own shares
Autonomy Corporation plc today announces that on 9 August 2004 it purchased for cancellation 120,000 Ordinary Shares of 1/3p each at a price of 149.49p per share.
For further information, please contact:
| |
|
|---|
Autonomy Corporation plc
Ian Black
+44 (0) 1223 448000
ianb@autonomy.com | | Financial Dynamics
Edward Bridges
+44 207 831 3113
edward.bridges@fd.com |
11 August 2004
Autonomy Corporation plc
Purchase of own shares
Autonomy Corporation plc today announces that on 10 August 2004 it purchased for cancellation 56,400 Ordinary Shares of 1/3p each at an average price of 152.14p per share.
For further information, please contact:
| |
|
|---|
Autonomy Corporation plc
Ian Black
+44 (0) 1223 448000
ianb@autonomy.com | | Financial Dynamics
Edward Bridges
+44 207 831 3113
edward.bridges@fd.com |
12 August 2004
Autonomy Corporation plc
Purchase of own shares
Autonomy Corporation plc today announces that on 11 August 2004 it purchased for cancellation 40,000 Ordinary Shares of 1/3p each at an average price of 153.24p per share.
For further information, please contact:
| |
|
|---|
Autonomy Corporation plc
Ian Black
+44 (0) 1223 448000
ianb@autonomy.com | | Financial Dynamics
Edward Bridges
+44 207 831 3113
edward.bridges@fd.com |
13 August 2004
Autonomy Corporation plc
Purchase of own shares
Autonomy Corporation plc today announces that on 12 August 2004 it purchased for cancellation 45,000 Ordinary Shares of 1/3p each at an average price of 149.83p per share.
For further information, please contact:
| |
|
|---|
Autonomy Corporation plc
Ian Black
+44 (0) 1223 448000
ianb@autonomy.com | | Financial Dynamics
Edward Bridges
+44 207 831 3113
edward.bridges@fd.com |
16 August 2004
Autonomy Corporation plc
Purchase of own shares
Autonomy Corporation plc today announces that on 13 August 2004 it purchased for cancellation 40,637 Ordinary Shares of 1/3p each at an average price of 152.49p per share.
For further information, please contact:
| |
|
|---|
Autonomy Corporation plc
Ian Black
+44 (0) 1223 448000
ianb@autonomy.com | | Financial Dynamics
Edward Bridges
+44 207 831 3113
edward.bridges@fd.com |
25 August 2004
Autonomy Corporation plc
Purchase of own shares
Autonomy Corporation plc today announces that on 24 August 2004 it purchased for cancellation 40,000 Ordinary Shares of 1/3p each at an average price of 161.8p per share.
For further information, please contact:
| |
|
|---|
Autonomy Corporation plc
Ian Black
+44 (0) 1223 448000
ianb@autonomy.com | | Financial Dynamics
Edward Bridges
+44 207 831 3113
edward.bridges@fd.com |
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