Exhibit 99.1

Janus Investment Fund ("JIF")

Lipper Rankings Based on Total Returns as of 12/31/081-Year

3-Year

5-Year

10-Year

Since PM InceptionPM
Inception

Lipper Category

Percentile
Rank (%)

Rank/
Total Funds

Percentile
Rank (%)

Rank/
Total Funds

Percentile
Rank (%)

Rank/
Total Funds

Percentile
Rank (%)

Rank/
Total Funds

Percentile
Rank (%)

Rank/
Total FundsGrowth FundsJanus Twenty Fund(1)


Jan-08

Large-Cap Growth Funds


65


522 / 803


1


5 / 679


1


2 / 567


18


49 / 274


Janus Fund


Oct-07

Large-Cap Growth Funds


48


381 / 803


25


164 / 679


45


251 / 567


49


133 / 274


47


359 / 778Janus Orion Fund


Dec-07

Multi-Cap Growth Funds


94


472 / 506


18


69 / 386


5


13 / 320








94


472 / 506Janus Research Fund


Jan-06

Large-Cap Growth Funds


81


648 / 803


32


216 / 679


22


121 / 567


20


54 / 274


33


222 / 680Janus Enterprise Fund


Oct-07

Mid-Cap Growth Funds


39


230 / 602


16


82 / 522


7


29 / 419


65


126 / 195


31


181 / 592Janus Venture Fund(1)


Jan-01

Small-Cap Growth Funds


96


576 / 603


48


243 / 507


46


184 / 406


52


104 / 202


39


115 / 298Janus Triton Fund


Jun-06

Small-Cap Growth Funds


37


221 / 603


6


26 / 507














2


10 / 526Core FundsJanus Contrarian Fund


Feb-00

Multi-Cap Core Funds


96


751 / 787


22


135 / 640


2


8 / 455








14


32 / 228Janus Growth and Income Fund


Nov-07

Large-Cap Core Funds


89


756 / 851


89


637 / 720


59


354 / 606


27


92 / 344


86


726 / 845Janus Balanced Fund


Apr-05

Mixed-Asset Target Alloc. Mod. Funds


4


17 / 513


5


16 / 382


3


7 / 273


9


13 / 145


2


4 / 349Janus Fundamental Equity Fund


Nov-07

Large-Cap Core Funds


91


771 / 851


81


581 / 720


25


148 / 606


15


50 / 344


85


714 / 845INTECH Risk-Managed Stock Fund


Feb-03

Multi-Cap Core Funds


28


214 / 787


41


259 / 640


13


56 / 455








22


91 / 416Global/International FundsJanus Overseas Fund


Jun-03

International Funds


96


1137 / 1189


10


81 / 865


2


9 / 701


11


37 / 360


2


10 / 659Janus Worldwide Fund


Jun-04

Global Funds


76


355 / 471


80


288 / 359


94


271 / 290


93


131 / 140


87


258 / 296Janus Global Life Sciences Fund


Apr-07

Global Healthcare/Biotechnology Funds


70


35 / 49


54


24 / 44


33


14 / 42


36


5 / 13


38


19 / 49Janus Global Technology Fund


Jan-06

Global Science & Technology Funds


22


21 / 95


22


20 / 90


29


23 / 81


21


5 / 23


22


20 / 90Janus Global Research Fund


Feb-05

Global Funds


79


372 / 471


28


100 / 359














10


31 / 321Janus Global Opportunities Fund


Jun-01

Global Funds


24


112 / 471


47


168 / 359


61


176 / 290








16


32 / 205Value FundsPerkins Mid Cap Value FundInv(2)


Aug-98

Mid-Cap Value Funds


3


9 / 353


4


9 / 285


3


6 / 212


3


2 / 73


2


1 / 65Perkins Small Cap Value FundInv(1,2)


Feb-97

Small-Cap Core Funds


1


6 / 775


4


23 / 616


12


56 / 487


10


22 / 221


5


5 / 123Income FundsJanus Flexible Bond Fund


May-07

Intermediate Investment Grade Debt


7


39 / 571


6


24 / 467


8


29 / 394


17


34 / 199


10


52 / 533Janus High-Yield Fund


Dec-03

High Current Yield Funds


12


55 / 466


9


34 / 396


11


35 / 334


9


17 / 201


11


35 / 334Janus Short-Term Bond Fund


May-07

Short Investment Grade Debt


4


9 / 260


2


4 / 213


3


4 / 178


6


5 / 85


6


13 / 258Asset Allocation FundsJanus Smart PortfolioGrowth


Dec-05

Mixed-Asset Target Alloc. Growth Funds


84


575 / 689


19


102 / 553














19


103 / 548Janus Smart PortfolioModerate


Dec-05

Mixed-Asset Target Alloc. Mod. Funds


50


252 / 513


14


50 / 382














14


50 / 382Janus Smart PortfolioConservative


Dec-05

Mixed-Asset Target Alloc. Cons. Funds


41


176 / 431


11


33 / 321














11


33 / 321


---





---

Data presented reflects past performance, which is no guarantee of future results. Strong rankings and/or relative performance are not indicative of positive fund performance. Absolute performance for most
funds was negative.Please consider the charges, risks, expenses and investment objectives carefully before investing. For a prospectus containing this and other information, please call JCG at 1-800-525-3713 or download the file from www.janus.com. Read it carefully
before you invest or send money.Lipper, a wholly-owned subsidiary of Reuters, provides independent insight on global collective investments including mutual funds, retirement funds, hedge funds, fund fees and expenses to the asset management and media communities. Lipper ranks the
performance of mutual funds within a classification of funds that have similar investment objectives. Rankings are historical with capital gains and dividends reinvested and do not include the effect of loads. If an expense waiver was in effect, it
may have had a material effect on the total return or yield for the period.Data presented reflects past performance, which is no guarantee of future results.Notes:(1)

Closed to new investors.(2)

Ranking is for the investor share class only; other classes may have different performance characteristics.

In accordance with FINRA regulations, Lipper rankings cannot be publicly disclosed for time periods of less than one year.


---





Janus Adviser Series ("JAD") Class S Shares

Lipper Rankings Based on Total Returns as of 12/31/081-Year

3-Year

5-Year

10-Year

Since PM InceptionPM
Inception

Lipper Category

Percentile
Rank (%)

Rank/
Total Funds

Percentile
Rank (%)

Rank/
Total Funds

Percentile
Rank (%)

Rank/
Total Funds

Percentile
Rank (%)

Rank/
Total Funds

Percentile
Rank (%)

Rank/
Total FundsGrowth FundsForty Fund


Jan-08

Large-Cap Growth Funds


79


628 / 803


5


30 / 679


2


9 / 567


2


5 / 274


Mid Cap Growth Fund


Oct-07

Mid-Cap Growth Funds


24


143 / 602


10


49 / 522


5


18 / 419


64


124 / 195


19


112 / 592Large Cap Growth Fund


Oct-07

Large-Cap Growth Funds


46


362 / 803


30


198 / 679


50


281 / 567


43


117 / 274


44


339 / 778INTECH Risk-Managed Growth Fund


Jan-03

Multi-Cap Growth Funds


60


303 / 506


73


281 / 386


69


221 / 320








79


237 / 300Orion Fund


Dec-07

Mid-Cap Growth Funds


76


455 / 602


14


70 / 522














76


455 / 602Small-Mid Growth Fund


Jun-06

Small-Cap Growth Funds


44


260 / 603


6


29 / 507














4


21 / 526Core FundsBalanced Fund


Apr-05

Mixed-Asset Target Alloc. Mod. Funds


3


13 / 513


4


15 / 382


4


9 / 273


7


9 / 145


1


3 / 349Growth and Income Fund


Nov-07

Large-Cap Core Funds


94


800 / 851


95


683 / 720


78


468 / 606


18


60 / 344


92


773 / 845Fundamental Equity Fund


Nov-07

Large-Cap Core Funds


90


764 / 851


81


578 / 720


26


153 / 606


16


52 / 344


87


733 / 845Small Company Value Fund


Mar-02

Small-Cap Core Funds


34


261 / 775


32


196 / 616


40


195 / 487








25


98 / 404INTECH Risk-Managed Core Fund


Jan-03

Multi-Cap Core Funds


23


180 / 787


38


239 / 640


11


48 / 455








18


71 / 407Contrarian Fund


Aug-05

Multi-Cap Core Funds


97


763 / 787


55


350 / 640














26


154 / 596Global/International/ FundsInternational Growth Fund


Jun-03

International Funds


87


1034 / 1189


3


23 / 865


1


3 / 701


8


26 / 360


1


4 / 659Worldwide Fund


Jun-04

Global Funds


74


345 / 471


82


292 / 359


95


274 / 290


90


126 / 140


88


261 / 296International Equity Fund


Nov-06

International Funds


63


743 / 1189




















28


279 / 1001INTECH Risk-Managed International Fund


May-07

International Funds


29


337 / 1189




















31


338 / 1096Global Research Fund


Nov-07

Global Funds


73


341 / 471




















66


303 / 464Value FundsPerkins Mid Cap Value Fund


Dec-02

Mid-Cap Value Funds


3


10 / 353


4


10 / 285


4


7 / 212








8


14 / 196INTECH Risk-Managed Value Fund


Dec-05

Multi-Cap Value Funds


28


107 / 389


36


108 / 307














36


108 / 307Alternative FundsLong/Short Fund


Aug-06

Long/Short Equity Funds


30


29 / 96




















18


9 / 49Global Real Estate Fund


Nov-07

Global Real Estate Funds


5


4 / 84




















5


4 / 82Income FundsFlexible Bond Fund


May-07

Intermediate Investment Grade Debt


5


23 / 571


7


30 / 467


10


39 / 394


16


32 / 199


8


40 / 533Floating Rate High Income Fund


May-07

Loan Participation Funds


11


9 / 81




















13


9 / 70High-Yield Fund


Aug-05

High Current Yield


8


37 / 466


8


28 / 396














8


30 / 381


---

Rankings are for the Class S Share class only; other classes may have different performance characteristics.

Note:



---







Janus Aspen Series ("JAS") Institutional Shares

Lipper Rankings Based on Total Returns as of 12/31/081-Year

3-Year

5-Year

10-Year

Since PM InceptionPM
Inception

Lipper Category

Percentile
Rank (%)

Rank/
Total Funds

Percentile
Rank (%)

Rank/
Total Funds

Percentile
Rank (%)

Rank/
Total Funds

Percentile
Rank (%)

Rank/
Total Funds

Percentile
Rank (%)

Rank/
Total FundsGrowth FundsForty Portfolio


Jan-08

VA Large-Cap Growth


81


182 / 224


2


4 / 203


2


2 / 189


2


1 / 70


Large Cap Growth Portfolio


Oct-07

VA Large-Cap Growth


32


72 / 224


9


17 / 203


39


73 / 189


55


39 / 70


29


62 / 220Mid Cap Growth Portfolio


Oct-07

VA Mid-Cap Growth


40


57 / 143


16


20 / 132


9


10 / 118


56


24 / 42


25


36 / 143Core FundsBalanced Portfolio


Apr-05

VA Mixed-Asset Target Alloc. Mod.


7


10 / 157


4


4 / 110


4


3 / 75


9


4 / 45


1


1 / 99Growth and Income Portfolio


Nov-07

VA Large-Cap Core


82


188 / 229


81


170 / 211


52


96 / 185


12


9 / 80


76


174 / 230Fundamental Equity Portfolio


Nov-07

VA Large-Cap Core


88


201 / 229


74


156 / 211


24


44 / 185


13


10 / 80


82


189 / 230Global/International FundsWorldwide Growth Portfolio


Jun-04

VA Global


78


83 / 106


80


66 / 82


95


69 / 72


84


31 / 36


90


70 / 77International Growth Portfolio


Jun-03

VA International


93


234 / 251


7


15 / 217


2


2 / 195


7


6 / 96


2


2 / 193Global Life Sciences Portfolio


Oct-04

VA Health/Biotechnology


70


25 / 35


9


3 / 33


11


3 / 28








7


2 / 32Global Technology Portfolio


Jan-06

VA Science & Technology


26


15 / 57


25


13 / 53


20


10 / 50








25


13 / 53Value FundsPerkins Mid Cap Value Portfolio


May-03

VA Mid-Cap Value


3


2 / 83


2


1 / 74


4


2 / 62








4


2 / 61Income FundsFlexible Bond Portfolio


May-07

VA Intermediate Investment Grade Debt


4


2 / 64


9


5 / 57


11


6 / 54


8


2 / 25


16


10 / 64


---

Rankings are for the Institutional Shares only; other classes may have different performance characteristics.

Note:

Data presented reflects past performance, which is no guarantee of future results.

---