Promotion
GEO2 to GEO3 530
GEO3 to GEO4 523 - 595 (350 if you're at the ceiling)
GEO4 to GEO5 599 - 662
GEO5 to GEO5a
GEO5 to SEO1 594 - 678
SEO1 to SEO2

Increment (non-promotee)
GEO2
C
C+
B
A

GEO3
C 173
C+
B
A

GEO4
C 178
C+ 178
B 249
A

GEO5
C 181
C+
B 253
A 317

GEO5A
C 181

SEO1
C 295
C+
B
A

SEO2
C
C+
B
A