Lookup duplicated code and Return the amount against the Oldest Year of that Code

One way - in H4:

=INDEX($D$4:$D$19,MATCH(1,($B$4:$B$19=G4)*(VALUE($C$4:$C$19)=MIN(IF($B$4:$B$19=G4,VALUE($C$4:$C$19)))),0))

**Array formulas are not entered in the same way as 'standard' formulas. Instead of pressing just ENTER, you first hold down CTRL and SHIFT, and only then press ENTER. If you've done it correctly, you'll notice Excel puts curly brackets {} around the formula (though do not attempt to manually insert these yourself).

Copy down.

Try

=INDEX($C$4:$C$19,MATCH($H4,$D$4:$D$19,0))

Use this:

=MIN(IF($B$4:$B$19=G4,VALUE($C$4:$C$19)))

**Array formulas are not entered in the same way as 'standard' formulas. Instead of pressing just ENTER, you first hold down CTRL and SHIFT, and only then press ENTER. If you've done it correctly, you'll notice Excel puts curly brackets {} around the formula (though do not attempt to manually insert these yourself).

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