Exhibit 4
<br />Association of Zoos & Aquariums
<br />Summary of Base Salaries Reported for Survey Positions
<br />Number
<br />Number
<br />112
<br />Annual Base Salary, <
<br />Of
<br />of
<br />25th
<br />75th 90th Average
<br />Survey Position Organi-
<br />Incum-
<br />%ile
<br />Mean Median %ile %ile Tenure
<br />zations
<br />bents
<br />($000)
<br />($000) ($000) ($000) ($000) (Years)
<br />Executive Director /CEO
<br />112
<br />112
<br />$89,813
<br />$173,115
<br />$145,000
<br />$227,000
<br />$304,500
<br />10.6
<br />Chief Operating Officer
<br />53
<br />66
<br />79,580
<br />119,424
<br />120,000
<br />140,895
<br />187,889
<br />10.6
<br />Chief Administrative Officer
<br />35
<br />35
<br />84,711
<br />119,698
<br />104,358
<br />145,101
<br />176,219
<br />7.8
<br />Executive Director, Zoo /Aquarium Society
<br />21
<br />25
<br />89,000
<br />126,934
<br />127,887
<br />165,000
<br />225,000
<br />11.7
<br />General Curator
<br />93
<br />100
<br />57,750
<br />82,769
<br />76,809
<br />98,280
<br />135,000
<br />8.4
<br />Curator
<br />72
<br />237
<br />49,000
<br />60,347
<br />58,780
<br />70,545
<br />81,330
<br />10.0
<br />Area Supervisor /Supervisory Keeper /Head Keeper
<br />76
<br />401
<br />34,455
<br />43,146
<br />40,916
<br />49,555
<br />58,983
<br />9.1
<br />Senior Keeper
<br />77
<br />1,084
<br />29,396
<br />38,119
<br />37,565
<br />44,200
<br />52,700
<br />8.5
<br />Keeper
<br />88
<br />2,213
<br />22,500
<br />25,074
<br />26,407
<br />30,429
<br />35,664
<br />5.7
<br />Senior Life Support Engineer
<br />24
<br />34
<br />42,546
<br />55,929
<br />55,663
<br />61,261
<br />69,010
<br />8.8
<br />Life Support Engineer
<br />19
<br />35
<br />34,466
<br />42,622
<br />42,889
<br />51,846
<br />55,981
<br />5.3
<br />Life Support and Water Quality Technician
<br />29
<br />66
<br />33,000
<br />38,880
<br />36,100
<br />45,039
<br />53,367
<br />4.7
<br />Senior Aquarist /Marine Mammal Specialist
<br />24
<br />98
<br />32,137
<br />39,433
<br />37,105
<br />48,318
<br />57,173
<br />7.7
<br />Aquarist /Marine Mammal Specialist
<br />31
<br />174
<br />27,000
<br />33,861
<br />32,817
<br />40,123
<br />44,200
<br />4.8
<br />Assistant Aquarist /Marine Mammal Specialist
<br />17
<br />61
<br />21,000
<br />23,358
<br />22,064
<br />27,514
<br />28,378
<br />1.2
<br />Animal Trainer Supervisor
<br />21
<br />27
<br />38,000
<br />46,318
<br />42,000
<br />52,676
<br />68,050
<br />9.1
<br />Animal Trainer
<br />22
<br />123
<br />26,000
<br />30,857
<br />28,000
<br />35,164
<br />44,650
<br />2.8
<br />Head Veterinarian
<br />60
<br />64
<br />78,000
<br />93,574
<br />88,150
<br />103,370
<br />115,727
<br />8.5
<br />Staff Veterinarian
<br />57
<br />93.
<br />60,000
<br />68,661
<br />68,873
<br />75,315
<br />88,802
<br />4.8
<br />Animal Health Care Technician
<br />71
<br />166
<br />32,350
<br />37,758
<br />36,000
<br />40,634
<br />48,500
<br />6.4
<br />Registrar
<br />71
<br />76
<br />34,593
<br />42,854
<br />40,000
<br />47,315
<br />58,563
<br />10.3
<br />Top Education Position
<br />94
<br />99
<br />46,130
<br />66,366
<br />61,068
<br />82,509
<br />99,100
<br />7.2
<br />Second Level Education Position
<br />73
<br />151
<br />33,440
<br />44,975
<br />41,500
<br />54,607
<br />66,523
<br />5.0
<br />Educator
<br />82
<br />516
<br />25,039
<br />30,875
<br />29,318
<br />33,975
<br />44,920
<br />4.0
<br />Top Design Position
<br />34
<br />34
<br />52,937
<br />72,179
<br />63,000
<br />80,325
<br />105,785
<br />7.7
<br />Graphic Designer
<br />57
<br />80
<br />36,650
<br />45,345
<br />41,000
<br />46,750
<br />62,411
<br />7.1
<br />Top Guest Services Position
<br />78
<br />81
<br />40,523
<br />66,148
<br />58,050
<br />83,338
<br />96,943
<br />6.7
<br />Top Food Services Position
<br />30
<br />30
<br />39,625
<br />58,571
<br />56,301
<br />69,167
<br />90,100
<br />6.9
<br />-47-
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