The two definitions used for LT1 is a lactate of 2 or a jump of 1 between measurements. Since your lactate is above 2 at resting and at all intensity levels, we will go with the latter definition. (As an aside, lactate levels of 3.9-6.5 at rest and no lactate levels of below 2 with a HR down to 100, makes me not feel super confident in the reliability of your results–either from a measurement or calibration error) Test #1 give you an AeT between 149-157, while test #2 give you one in the 158-164 range. Taking the midpoint of these two ranges and taking their average gives you an LT1 HR of 157.
LT1 can be extrapolated (with some range of error) to determine your AeT–so I’d guess your AeT is about 157 or about 152-162.
As mentioned in another recent post, I’m not convinced that LT1 is any more accurate than other methods of determining your AeT, which tends to be a range anyway. Nevertheless, lactate testing can be accurate, however, in determining your LT1, which you could follow over time instead of AeT, but this is often not practical.